Home / 1,537.36-2,307.61-1,125.27

Finding the Fourth Proportional to 1,537.36, 2,307.61 and 1,125.27

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Solution

The fourth proportional to 1,537.36, 2,307.61 and 1,125.27 is: 1,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.36 : 2,307.61 = 1,125.27 : x
  2. Step 2: Convert to fraction form
    1,537.36/2,307.61 = 1,125.27/x
  3. Step 3: Cross multiply
    1,537.36x = 2,307.61 × 1,125.27
  4. Step 4: Simplify right side
    1,537.36x = 2,596,679.38
  5. Step 5: Solve for x
    x = 2,596,679.38/1,537.36
  6. Step 6: Final answer
    x = 1,689.05

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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.