Home / 1,126.56-1,677.28-1,110.36

Finding the Fourth Proportional to 1,126.56, 1,677.28 and 1,110.36

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Solution

The fourth proportional to 1,126.56, 1,677.28 and 1,110.36 is: 1,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.56 : 1,677.28 = 1,110.36 : x
  2. Step 2: Convert to fraction form
    1,126.56/1,677.28 = 1,110.36/x
  3. Step 3: Cross multiply
    1,126.56x = 1,677.28 × 1,110.36
  4. Step 4: Simplify right side
    1,126.56x = 1,862,384.62
  5. Step 5: Solve for x
    x = 1,862,384.62/1,126.56
  6. Step 6: Final answer
    x = 1,653.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.