Home / 1,537.45-2,307.75-1,125.36

Finding the Fourth Proportional to 1,537.45, 2,307.75 and 1,125.36

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Solution

The fourth proportional to 1,537.45, 2,307.75 and 1,125.36 is: 1,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.45 : 2,307.75 = 1,125.36 : x
  2. Step 2: Convert to fraction form
    1,537.45/2,307.75 = 1,125.36/x
  3. Step 3: Cross multiply
    1,537.45x = 2,307.75 × 1,125.36
  4. Step 4: Simplify right side
    1,537.45x = 2,597,053.97
  5. Step 5: Solve for x
    x = 2,597,053.97/1,537.45
  6. Step 6: Final answer
    x = 1,689.19

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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.