Home / 2,355.39-3,534.77-1,898.69

Finding the Fourth Proportional to 2,355.39, 3,534.77 and 1,898.69

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Solution

The fourth proportional to 2,355.39, 3,534.77 and 1,898.69 is: 2,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.39 : 3,534.77 = 1,898.69 : x
  2. Step 2: Convert to fraction form
    2,355.39/3,534.77 = 1,898.69/x
  3. Step 3: Cross multiply
    2,355.39x = 3,534.77 × 1,898.69
  4. Step 4: Simplify right side
    2,355.39x = 6,711,419.52
  5. Step 5: Solve for x
    x = 6,711,419.52/2,355.39
  6. Step 6: Final answer
    x = 2,849.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.