Home / 1,597.40-2,201.82-1,247.48

Finding the Fourth Proportional to 1,597.40, 2,201.82 and 1,247.48

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Solution

The fourth proportional to 1,597.40, 2,201.82 and 1,247.48 is: 1,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.40 : 2,201.82 = 1,247.48 : x
  2. Step 2: Convert to fraction form
    1,597.40/2,201.82 = 1,247.48/x
  3. Step 3: Cross multiply
    1,597.40x = 2,201.82 × 1,247.48
  4. Step 4: Simplify right side
    1,597.40x = 2,746,726.41
  5. Step 5: Solve for x
    x = 2,746,726.41/1,597.40
  6. Step 6: Final answer
    x = 1,719.50

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1.5x scale

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.