Home / 2,466.20-3,402.18-1,680.20

Finding the Fourth Proportional to 2,466.20, 3,402.18 and 1,680.20

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Solution

The fourth proportional to 2,466.20, 3,402.18 and 1,680.20 is: 2,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,466.20 : 3,402.18 = 1,680.20 : x
  2. Step 2: Convert to fraction form
    2,466.20/3,402.18 = 1,680.20/x
  3. Step 3: Cross multiply
    2,466.20x = 3,402.18 × 1,680.20
  4. Step 4: Simplify right side
    2,466.20x = 5,716,342.84
  5. Step 5: Solve for x
    x = 5,716,342.84/2,466.20
  6. Step 6: Final answer
    x = 2,317.87

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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.