Home / 3,655.20-5,481.90-1,058.34

Finding the Fourth Proportional to 3,655.20, 5,481.90 and 1,058.34

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Solution

The fourth proportional to 3,655.20, 5,481.90 and 1,058.34 is: 1,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.20 : 5,481.90 = 1,058.34 : x
  2. Step 2: Convert to fraction form
    3,655.20/5,481.90 = 1,058.34/x
  3. Step 3: Cross multiply
    3,655.20x = 5,481.90 × 1,058.34
  4. Step 4: Simplify right side
    3,655.20x = 5,801,714.05
  5. Step 5: Solve for x
    x = 5,801,714.05/3,655.20
  6. Step 6: Final answer
    x = 1,587.25

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1.5x scale

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.