Home / 1,498.24-2,247.63-717.58

Finding the Fourth Proportional to 1,498.24, 2,247.63 and 717.58

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Solution

The fourth proportional to 1,498.24, 2,247.63 and 717.58 is: 1,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.24 : 2,247.63 = 717.58 : x
  2. Step 2: Convert to fraction form
    1,498.24/2,247.63 = 717.58/x
  3. Step 3: Cross multiply
    1,498.24x = 2,247.63 × 717.58
  4. Step 4: Simplify right side
    1,498.24x = 1,612,854.34
  5. Step 5: Solve for x
    x = 1,612,854.34/1,498.24
  6. Step 6: Final answer
    x = 1,076.50

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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.