Home / 1,549.36-2,333.20-1,119.52

Finding the Fourth Proportional to 1,549.36, 2,333.20 and 1,119.52

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Solution

The fourth proportional to 1,549.36, 2,333.20 and 1,119.52 is: 1,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.36 : 2,333.20 = 1,119.52 : x
  2. Step 2: Convert to fraction form
    1,549.36/2,333.20 = 1,119.52/x
  3. Step 3: Cross multiply
    1,549.36x = 2,333.20 × 1,119.52
  4. Step 4: Simplify right side
    1,549.36x = 2,612,064.06
  5. Step 5: Solve for x
    x = 2,612,064.06/1,549.36
  6. Step 6: Final answer
    x = 1,685.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.