Home / 2,197.02-3,031.67-1,252.74

Finding the Fourth Proportional to 2,197.02, 3,031.67 and 1,252.74

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Solution

The fourth proportional to 2,197.02, 3,031.67 and 1,252.74 is: 1,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.02 : 3,031.67 = 1,252.74 : x
  2. Step 2: Convert to fraction form
    2,197.02/3,031.67 = 1,252.74/x
  3. Step 3: Cross multiply
    2,197.02x = 3,031.67 × 1,252.74
  4. Step 4: Simplify right side
    2,197.02x = 3,797,888.01
  5. Step 5: Solve for x
    x = 3,797,888.01/2,197.02
  6. Step 6: Final answer
    x = 1,728.65

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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.