Home / 1,085.73-1,617.51-1,032.40

Finding the Fourth Proportional to 1,085.73, 1,617.51 and 1,032.40

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Solution

The fourth proportional to 1,085.73, 1,617.51 and 1,032.40 is: 1,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085.73 : 1,617.51 = 1,032.40 : x
  2. Step 2: Convert to fraction form
    1,085.73/1,617.51 = 1,032.40/x
  3. Step 3: Cross multiply
    1,085.73x = 1,617.51 × 1,032.40
  4. Step 4: Simplify right side
    1,085.73x = 1,669,917.32
  5. Step 5: Solve for x
    x = 1,669,917.32/1,085.73
  6. Step 6: Final answer
    x = 1,538.06

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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.