Home / 1,549.02-2,319.69-897.78

Finding the Fourth Proportional to 1,549.02, 2,319.69 and 897.78

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Solution

The fourth proportional to 1,549.02, 2,319.69 and 897.78 is: 1,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.02 : 2,319.69 = 897.78 : x
  2. Step 2: Convert to fraction form
    1,549.02/2,319.69 = 897.78/x
  3. Step 3: Cross multiply
    1,549.02x = 2,319.69 × 897.78
  4. Step 4: Simplify right side
    1,549.02x = 2,082,571.29
  5. Step 5: Solve for x
    x = 2,082,571.29/1,549.02
  6. Step 6: Final answer
    x = 1,344.44

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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.