Home / 1,574.22-2,167.47-1,337.70

Finding the Fourth Proportional to 1,574.22, 2,167.47 and 1,337.70

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Solution

The fourth proportional to 1,574.22, 2,167.47 and 1,337.70 is: 1,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.22 : 2,167.47 = 1,337.70 : x
  2. Step 2: Convert to fraction form
    1,574.22/2,167.47 = 1,337.70/x
  3. Step 3: Cross multiply
    1,574.22x = 2,167.47 × 1,337.70
  4. Step 4: Simplify right side
    1,574.22x = 2,899,424.62
  5. Step 5: Solve for x
    x = 2,899,424.62/1,574.22
  6. Step 6: Final answer
    x = 1,841.82

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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.