Home / 3,430.11-4,733.58-1,858.21

Finding the Fourth Proportional to 3,430.11, 4,733.58 and 1,858.21

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Solution

The fourth proportional to 3,430.11, 4,733.58 and 1,858.21 is: 2,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.11 : 4,733.58 = 1,858.21 : x
  2. Step 2: Convert to fraction form
    3,430.11/4,733.58 = 1,858.21/x
  3. Step 3: Cross multiply
    3,430.11x = 4,733.58 × 1,858.21
  4. Step 4: Simplify right side
    3,430.11x = 8,795,957.38
  5. Step 5: Solve for x
    x = 8,795,957.38/3,430.11
  6. Step 6: Final answer
    x = 2,564.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.