Home / 1,537.65-2,304.15-1,145.80

Finding the Fourth Proportional to 1,537.65, 2,304.15 and 1,145.80

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Solution

The fourth proportional to 1,537.65, 2,304.15 and 1,145.80 is: 1,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.65 : 2,304.15 = 1,145.80 : x
  2. Step 2: Convert to fraction form
    1,537.65/2,304.15 = 1,145.80/x
  3. Step 3: Cross multiply
    1,537.65x = 2,304.15 × 1,145.80
  4. Step 4: Simplify right side
    1,537.65x = 2,640,095.07
  5. Step 5: Solve for x
    x = 2,640,095.07/1,537.65
  6. Step 6: Final answer
    x = 1,716.97

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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.