Home / 2,152.47-2,966.36-1,553.91

Finding the Fourth Proportional to 2,152.47, 2,966.36 and 1,553.91

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Solution

The fourth proportional to 2,152.47, 2,966.36 and 1,553.91 is: 2,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.47 : 2,966.36 = 1,553.91 : x
  2. Step 2: Convert to fraction form
    2,152.47/2,966.36 = 1,553.91/x
  3. Step 3: Cross multiply
    2,152.47x = 2,966.36 × 1,553.91
  4. Step 4: Simplify right side
    2,152.47x = 4,609,448.70
  5. Step 5: Solve for x
    x = 4,609,448.70/2,152.47
  6. Step 6: Final answer
    x = 2,141.47

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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.