Home / 1,554.78-2,330.10-1,359.30

Finding the Fourth Proportional to 1,554.78, 2,330.10 and 1,359.30

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Solution

The fourth proportional to 1,554.78, 2,330.10 and 1,359.30 is: 2,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.78 : 2,330.10 = 1,359.30 : x
  2. Step 2: Convert to fraction form
    1,554.78/2,330.10 = 1,359.30/x
  3. Step 3: Cross multiply
    1,554.78x = 2,330.10 × 1,359.30
  4. Step 4: Simplify right side
    1,554.78x = 3,167,304.93
  5. Step 5: Solve for x
    x = 3,167,304.93/1,554.78
  6. Step 6: Final answer
    x = 2,037.14

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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.