Home / 1,504.52-2,258.16-811.87

Finding the Fourth Proportional to 1,504.52, 2,258.16 and 811.87

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Solution

The fourth proportional to 1,504.52, 2,258.16 and 811.87 is: 1,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.52 : 2,258.16 = 811.87 : x
  2. Step 2: Convert to fraction form
    1,504.52/2,258.16 = 811.87/x
  3. Step 3: Cross multiply
    1,504.52x = 2,258.16 × 811.87
  4. Step 4: Simplify right side
    1,504.52x = 1,833,332.36
  5. Step 5: Solve for x
    x = 1,833,332.36/1,504.52
  6. Step 6: Final answer
    x = 1,218.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.