Home / 1,547.62-2,137.52-1,049.38

Finding the Fourth Proportional to 1,547.62, 2,137.52 and 1,049.38

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Solution

The fourth proportional to 1,547.62, 2,137.52 and 1,049.38 is: 1,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.62 : 2,137.52 = 1,049.38 : x
  2. Step 2: Convert to fraction form
    1,547.62/2,137.52 = 1,049.38/x
  3. Step 3: Cross multiply
    1,547.62x = 2,137.52 × 1,049.38
  4. Step 4: Simplify right side
    1,547.62x = 2,243,070.74
  5. Step 5: Solve for x
    x = 2,243,070.74/1,547.62
  6. Step 6: Final answer
    x = 1,449.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.