Home / 1,534.47-2,113.62-1,202.31

Finding the Fourth Proportional to 1,534.47, 2,113.62 and 1,202.31

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Solution

The fourth proportional to 1,534.47, 2,113.62 and 1,202.31 is: 1,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.47 : 2,113.62 = 1,202.31 : x
  2. Step 2: Convert to fraction form
    1,534.47/2,113.62 = 1,202.31/x
  3. Step 3: Cross multiply
    1,534.47x = 2,113.62 × 1,202.31
  4. Step 4: Simplify right side
    1,534.47x = 2,541,226.46
  5. Step 5: Solve for x
    x = 2,541,226.46/1,534.47
  6. Step 6: Final answer
    x = 1,656.09

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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.