Home / 2,902.28-4,005.18-1,708.07

Finding the Fourth Proportional to 2,902.28, 4,005.18 and 1,708.07

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Solution

The fourth proportional to 2,902.28, 4,005.18 and 1,708.07 is: 2,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.28 : 4,005.18 = 1,708.07 : x
  2. Step 2: Convert to fraction form
    2,902.28/4,005.18 = 1,708.07/x
  3. Step 3: Cross multiply
    2,902.28x = 4,005.18 × 1,708.07
  4. Step 4: Simplify right side
    2,902.28x = 6,841,107.78
  5. Step 5: Solve for x
    x = 6,841,107.78/2,902.28
  6. Step 6: Final answer
    x = 2,357.15

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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.