Home / 1,554.52-2,145.66-1,003.48

Finding the Fourth Proportional to 1,554.52, 2,145.66 and 1,003.48

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Solution

The fourth proportional to 1,554.52, 2,145.66 and 1,003.48 is: 1,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.52 : 2,145.66 = 1,003.48 : x
  2. Step 2: Convert to fraction form
    1,554.52/2,145.66 = 1,003.48/x
  3. Step 3: Cross multiply
    1,554.52x = 2,145.66 × 1,003.48
  4. Step 4: Simplify right side
    1,554.52x = 2,153,126.90
  5. Step 5: Solve for x
    x = 2,153,126.90/1,554.52
  6. Step 6: Final answer
    x = 1,385.08

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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.