Home / 1,358.16-1,875.97-1,004.59

Finding the Fourth Proportional to 1,358.16, 1,875.97 and 1,004.59

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Solution

The fourth proportional to 1,358.16, 1,875.97 and 1,004.59 is: 1,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.16 : 1,875.97 = 1,004.59 : x
  2. Step 2: Convert to fraction form
    1,358.16/1,875.97 = 1,004.59/x
  3. Step 3: Cross multiply
    1,358.16x = 1,875.97 × 1,004.59
  4. Step 4: Simplify right side
    1,358.16x = 1,884,580.70
  5. Step 5: Solve for x
    x = 1,884,580.70/1,358.16
  6. Step 6: Final answer
    x = 1,387.60

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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.