Home / 1,557.32-2,338.26-1,040.54

Finding the Fourth Proportional to 1,557.32, 2,338.26 and 1,040.54

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Solution

The fourth proportional to 1,557.32, 2,338.26 and 1,040.54 is: 1,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.32 : 2,338.26 = 1,040.54 : x
  2. Step 2: Convert to fraction form
    1,557.32/2,338.26 = 1,040.54/x
  3. Step 3: Cross multiply
    1,557.32x = 2,338.26 × 1,040.54
  4. Step 4: Simplify right side
    1,557.32x = 2,433,053.06
  5. Step 5: Solve for x
    x = 2,433,053.06/1,557.32
  6. Step 6: Final answer
    x = 1,562.33

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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.