Home / 1,532.91-2,115.90-1,113.33

Finding the Fourth Proportional to 1,532.91, 2,115.90 and 1,113.33

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Solution

The fourth proportional to 1,532.91, 2,115.90 and 1,113.33 is: 1,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.91 : 2,115.90 = 1,113.33 : x
  2. Step 2: Convert to fraction form
    1,532.91/2,115.90 = 1,113.33/x
  3. Step 3: Cross multiply
    1,532.91x = 2,115.90 × 1,113.33
  4. Step 4: Simplify right side
    1,532.91x = 2,355,694.95
  5. Step 5: Solve for x
    x = 2,355,694.95/1,532.91
  6. Step 6: Final answer
    x = 1,536.75

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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.