Home / 1,553.37-2,141.88-1,132.98

Finding the Fourth Proportional to 1,553.37, 2,141.88 and 1,132.98

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Solution

The fourth proportional to 1,553.37, 2,141.88 and 1,132.98 is: 1,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.37 : 2,141.88 = 1,132.98 : x
  2. Step 2: Convert to fraction form
    1,553.37/2,141.88 = 1,132.98/x
  3. Step 3: Cross multiply
    1,553.37x = 2,141.88 × 1,132.98
  4. Step 4: Simplify right side
    1,553.37x = 2,426,707.20
  5. Step 5: Solve for x
    x = 2,426,707.20/1,553.37
  6. Step 6: Final answer
    x = 1,562.22

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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.