Home / 3,490.17-5,259.23-2,887.40

Finding the Fourth Proportional to 3,490.17, 5,259.23 and 2,887.40

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Solution

The fourth proportional to 3,490.17, 5,259.23 and 2,887.40 is: 4,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.17 : 5,259.23 = 2,887.40 : x
  2. Step 2: Convert to fraction form
    3,490.17/5,259.23 = 2,887.40/x
  3. Step 3: Cross multiply
    3,490.17x = 5,259.23 × 2,887.40
  4. Step 4: Simplify right side
    3,490.17x = 15,185,459.97
  5. Step 5: Solve for x
    x = 15,185,459.97/3,490.17
  6. Step 6: Final answer
    x = 4,350.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.