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Finding the Fourth Proportional to 1,458.81, 2,013.02 and 1,017.66

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Solution

The fourth proportional to 1,458.81, 2,013.02 and 1,017.66 is: 1,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.81 : 2,013.02 = 1,017.66 : x
  2. Step 2: Convert to fraction form
    1,458.81/2,013.02 = 1,017.66/x
  3. Step 3: Cross multiply
    1,458.81x = 2,013.02 × 1,017.66
  4. Step 4: Simplify right side
    1,458.81x = 2,048,564.84
  5. Step 5: Solve for x
    x = 2,048,564.84/1,458.81
  6. Step 6: Final answer
    x = 1,404.27

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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.