Home / 1,626.13-2,439.97-1,557.58

Finding the Fourth Proportional to 1,626.13, 2,439.97 and 1,557.58

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Solution

The fourth proportional to 1,626.13, 2,439.97 and 1,557.58 is: 2,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.13 : 2,439.97 = 1,557.58 : x
  2. Step 2: Convert to fraction form
    1,626.13/2,439.97 = 1,557.58/x
  3. Step 3: Cross multiply
    1,626.13x = 2,439.97 × 1,557.58
  4. Step 4: Simplify right side
    1,626.13x = 3,800,436.27
  5. Step 5: Solve for x
    x = 3,800,436.27/1,626.13
  6. Step 6: Final answer
    x = 2,337.11

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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.