Home / 3,512.47-5,270.24-1,664.91

Finding the Fourth Proportional to 3,512.47, 5,270.24 and 1,664.91

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Solution

The fourth proportional to 3,512.47, 5,270.24 and 1,664.91 is: 2,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.47 : 5,270.24 = 1,664.91 : x
  2. Step 2: Convert to fraction form
    3,512.47/5,270.24 = 1,664.91/x
  3. Step 3: Cross multiply
    3,512.47x = 5,270.24 × 1,664.91
  4. Step 4: Simplify right side
    3,512.47x = 8,774,475.28
  5. Step 5: Solve for x
    x = 8,774,475.28/3,512.47
  6. Step 6: Final answer
    x = 2,498.09

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1.5x scale

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.