Home / 2,572.02-3,549.69-1,687.14

Finding the Fourth Proportional to 2,572.02, 3,549.69 and 1,687.14

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Solution

The fourth proportional to 2,572.02, 3,549.69 and 1,687.14 is: 2,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.02 : 3,549.69 = 1,687.14 : x
  2. Step 2: Convert to fraction form
    2,572.02/3,549.69 = 1,687.14/x
  3. Step 3: Cross multiply
    2,572.02x = 3,549.69 × 1,687.14
  4. Step 4: Simplify right side
    2,572.02x = 5,988,823.99
  5. Step 5: Solve for x
    x = 5,988,823.99/2,572.02
  6. Step 6: Final answer
    x = 2,328.45

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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.