Home / 3,459.57-4,774.13-1,887.69

Finding the Fourth Proportional to 3,459.57, 4,774.13 and 1,887.69

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Solution

The fourth proportional to 3,459.57, 4,774.13 and 1,887.69 is: 2,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.57 : 4,774.13 = 1,887.69 : x
  2. Step 2: Convert to fraction form
    3,459.57/4,774.13 = 1,887.69/x
  3. Step 3: Cross multiply
    3,459.57x = 4,774.13 × 1,887.69
  4. Step 4: Simplify right side
    3,459.57x = 9,012,068.02
  5. Step 5: Solve for x
    x = 9,012,068.02/3,459.57
  6. Step 6: Final answer
    x = 2,604.97

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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.