Home / 3,535.40-5,304.96-1,686.17

Finding the Fourth Proportional to 3,535.40, 5,304.96 and 1,686.17

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Solution

The fourth proportional to 3,535.40, 5,304.96 and 1,686.17 is: 2,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.40 : 5,304.96 = 1,686.17 : x
  2. Step 2: Convert to fraction form
    3,535.40/5,304.96 = 1,686.17/x
  3. Step 3: Cross multiply
    3,535.40x = 5,304.96 × 1,686.17
  4. Step 4: Simplify right side
    3,535.40x = 8,945,064.40
  5. Step 5: Solve for x
    x = 8,945,064.40/3,535.40
  6. Step 6: Final answer
    x = 2,530.14

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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.