Home / 2,423.13-3,635.91-1,125.51

Finding the Fourth Proportional to 2,423.13, 3,635.91 and 1,125.51

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Solution

The fourth proportional to 2,423.13, 3,635.91 and 1,125.51 is: 1,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.13 : 3,635.91 = 1,125.51 : x
  2. Step 2: Convert to fraction form
    2,423.13/3,635.91 = 1,125.51/x
  3. Step 3: Cross multiply
    2,423.13x = 3,635.91 × 1,125.51
  4. Step 4: Simplify right side
    2,423.13x = 4,092,253.06
  5. Step 5: Solve for x
    x = 4,092,253.06/2,423.13
  6. Step 6: Final answer
    x = 1,688.83

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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.