Home / 1,252.02-1,726.20-1,224.48

Finding the Fourth Proportional to 1,252.02, 1,726.20 and 1,224.48

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Solution

The fourth proportional to 1,252.02, 1,726.20 and 1,224.48 is: 1,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.02 : 1,726.20 = 1,224.48 : x
  2. Step 2: Convert to fraction form
    1,252.02/1,726.20 = 1,224.48/x
  3. Step 3: Cross multiply
    1,252.02x = 1,726.20 × 1,224.48
  4. Step 4: Simplify right side
    1,252.02x = 2,113,697.38
  5. Step 5: Solve for x
    x = 2,113,697.38/1,252.02
  6. Step 6: Final answer
    x = 1,688.23

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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.