Home / 3,374.20-5,058.90-1,293.40

Finding the Fourth Proportional to 3,374.20, 5,058.90 and 1,293.40

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Solution

The fourth proportional to 3,374.20, 5,058.90 and 1,293.40 is: 1,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.20 : 5,058.90 = 1,293.40 : x
  2. Step 2: Convert to fraction form
    3,374.20/5,058.90 = 1,293.40/x
  3. Step 3: Cross multiply
    3,374.20x = 5,058.90 × 1,293.40
  4. Step 4: Simplify right side
    3,374.20x = 6,543,181.26
  5. Step 5: Solve for x
    x = 6,543,181.26/3,374.20
  6. Step 6: Final answer
    x = 1,939.18

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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.