Home / 1,624.39-2,240.28-1,057.37

Finding the Fourth Proportional to 1,624.39, 2,240.28 and 1,057.37

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Solution

The fourth proportional to 1,624.39, 2,240.28 and 1,057.37 is: 1,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.39 : 2,240.28 = 1,057.37 : x
  2. Step 2: Convert to fraction form
    1,624.39/2,240.28 = 1,057.37/x
  3. Step 3: Cross multiply
    1,624.39x = 2,240.28 × 1,057.37
  4. Step 4: Simplify right side
    1,624.39x = 2,368,793.66
  5. Step 5: Solve for x
    x = 2,368,793.66/1,624.39
  6. Step 6: Final answer
    x = 1,458.27

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Double scale
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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.