Home / 3,370.56-5,058.72-2,690.88

Finding the Fourth Proportional to 3,370.56, 5,058.72 and 2,690.88

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Solution

The fourth proportional to 3,370.56, 5,058.72 and 2,690.88 is: 4,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.56 : 5,058.72 = 2,690.88 : x
  2. Step 2: Convert to fraction form
    3,370.56/5,058.72 = 2,690.88/x
  3. Step 3: Cross multiply
    3,370.56x = 5,058.72 × 2,690.88
  4. Step 4: Simplify right side
    3,370.56x = 13,612,408.47
  5. Step 5: Solve for x
    x = 13,612,408.47/3,370.56
  6. Step 6: Final answer
    x = 4,038.62

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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.