Home / 1,554.53-2,332.69-1,115.30

Finding the Fourth Proportional to 1,554.53, 2,332.69 and 1,115.30

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Solution

The fourth proportional to 1,554.53, 2,332.69 and 1,115.30 is: 1,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.53 : 2,332.69 = 1,115.30 : x
  2. Step 2: Convert to fraction form
    1,554.53/2,332.69 = 1,115.30/x
  3. Step 3: Cross multiply
    1,554.53x = 2,332.69 × 1,115.30
  4. Step 4: Simplify right side
    1,554.53x = 2,601,652.20
  5. Step 5: Solve for x
    x = 2,601,652.20/1,554.53
  6. Step 6: Final answer
    x = 1,673.60

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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.