Home / 1,561.41-2,337.03-1,150.38

Finding the Fourth Proportional to 1,561.41, 2,337.03 and 1,150.38

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Solution

The fourth proportional to 1,561.41, 2,337.03 and 1,150.38 is: 1,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.41 : 2,337.03 = 1,150.38 : x
  2. Step 2: Convert to fraction form
    1,561.41/2,337.03 = 1,150.38/x
  3. Step 3: Cross multiply
    1,561.41x = 2,337.03 × 1,150.38
  4. Step 4: Simplify right side
    1,561.41x = 2,688,472.57
  5. Step 5: Solve for x
    x = 2,688,472.57/1,561.41
  6. Step 6: Final answer
    x = 1,721.82

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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.