Home / 3,490.19-5,259.29-2,887.46

Finding the Fourth Proportional to 3,490.19, 5,259.29 and 2,887.46

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Solution

The fourth proportional to 3,490.19, 5,259.29 and 2,887.46 is: 4,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.19 : 5,259.29 = 2,887.46 : x
  2. Step 2: Convert to fraction form
    3,490.19/5,259.29 = 2,887.46/x
  3. Step 3: Cross multiply
    3,490.19x = 5,259.29 × 2,887.46
  4. Step 4: Simplify right side
    3,490.19x = 15,185,948.77
  5. Step 5: Solve for x
    x = 15,185,948.77/3,490.19
  6. Step 6: Final answer
    x = 4,351.04

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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.