Home / 1,850.52-2,554.38-1,587.48

Finding the Fourth Proportional to 1,850.52, 2,554.38 and 1,587.48

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Solution

The fourth proportional to 1,850.52, 2,554.38 and 1,587.48 is: 2,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.52 : 2,554.38 = 1,587.48 : x
  2. Step 2: Convert to fraction form
    1,850.52/2,554.38 = 1,587.48/x
  3. Step 3: Cross multiply
    1,850.52x = 2,554.38 × 1,587.48
  4. Step 4: Simplify right side
    1,850.52x = 4,055,027.16
  5. Step 5: Solve for x
    x = 4,055,027.16/1,850.52
  6. Step 6: Final answer
    x = 2,191.29

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1.5x scale

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.