Home / 1,731.61-2,584.81-1,512.91

Finding the Fourth Proportional to 1,731.61, 2,584.81 and 1,512.91

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Solution

The fourth proportional to 1,731.61, 2,584.81 and 1,512.91 is: 2,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.61 : 2,584.81 = 1,512.91 : x
  2. Step 2: Convert to fraction form
    1,731.61/2,584.81 = 1,512.91/x
  3. Step 3: Cross multiply
    1,731.61x = 2,584.81 × 1,512.91
  4. Step 4: Simplify right side
    1,731.61x = 3,910,584.90
  5. Step 5: Solve for x
    x = 3,910,584.90/1,731.61
  6. Step 6: Final answer
    x = 2,258.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.