Home / 1,661.29-2,293.52-1,102.53

Finding the Fourth Proportional to 1,661.29, 2,293.52 and 1,102.53

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Solution

The fourth proportional to 1,661.29, 2,293.52 and 1,102.53 is: 1,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.29 : 2,293.52 = 1,102.53 : x
  2. Step 2: Convert to fraction form
    1,661.29/2,293.52 = 1,102.53/x
  3. Step 3: Cross multiply
    1,661.29x = 2,293.52 × 1,102.53
  4. Step 4: Simplify right side
    1,661.29x = 2,528,674.61
  5. Step 5: Solve for x
    x = 2,528,674.61/1,661.29
  6. Step 6: Final answer
    x = 1,522.12

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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.