Home / 3,507.18-5,260.76-2,408.20

Finding the Fourth Proportional to 3,507.18, 5,260.76 and 2,408.20

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Solution

The fourth proportional to 3,507.18, 5,260.76 and 2,408.20 is: 3,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.18 : 5,260.76 = 2,408.20 : x
  2. Step 2: Convert to fraction form
    3,507.18/5,260.76 = 2,408.20/x
  3. Step 3: Cross multiply
    3,507.18x = 5,260.76 × 2,408.20
  4. Step 4: Simplify right side
    3,507.18x = 12,668,962.23
  5. Step 5: Solve for x
    x = 12,668,962.23/3,507.18
  6. Step 6: Final answer
    x = 3,612.29

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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.