Home / 1,759.66-2,428.59-1,013.47

Finding the Fourth Proportional to 1,759.66, 2,428.59 and 1,013.47

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Solution

The fourth proportional to 1,759.66, 2,428.59 and 1,013.47 is: 1,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.66 : 2,428.59 = 1,013.47 : x
  2. Step 2: Convert to fraction form
    1,759.66/2,428.59 = 1,013.47/x
  3. Step 3: Cross multiply
    1,759.66x = 2,428.59 × 1,013.47
  4. Step 4: Simplify right side
    1,759.66x = 2,461,304.11
  5. Step 5: Solve for x
    x = 2,461,304.11/1,759.66
  6. Step 6: Final answer
    x = 1,398.74

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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.