Home / 1,337.44-2,007.60-1,123.36

Finding the Fourth Proportional to 1,337.44, 2,007.60 and 1,123.36

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Solution

The fourth proportional to 1,337.44, 2,007.60 and 1,123.36 is: 1,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.44 : 2,007.60 = 1,123.36 : x
  2. Step 2: Convert to fraction form
    1,337.44/2,007.60 = 1,123.36/x
  3. Step 3: Cross multiply
    1,337.44x = 2,007.60 × 1,123.36
  4. Step 4: Simplify right side
    1,337.44x = 2,255,257.54
  5. Step 5: Solve for x
    x = 2,255,257.54/1,337.44
  6. Step 6: Final answer
    x = 1,686.25

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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.