Home / 1,110.59-1,531.73-1,036.07

Finding the Fourth Proportional to 1,110.59, 1,531.73 and 1,036.07

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Solution

The fourth proportional to 1,110.59, 1,531.73 and 1,036.07 is: 1,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.59 : 1,531.73 = 1,036.07 : x
  2. Step 2: Convert to fraction form
    1,110.59/1,531.73 = 1,036.07/x
  3. Step 3: Cross multiply
    1,110.59x = 1,531.73 × 1,036.07
  4. Step 4: Simplify right side
    1,110.59x = 1,586,966.66
  5. Step 5: Solve for x
    x = 1,586,966.66/1,110.59
  6. Step 6: Final answer
    x = 1,428.95

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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.