Home / 3,418.10-4,713.73-2,480.10

Finding the Fourth Proportional to 3,418.10, 4,713.73 and 2,480.10

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Solution

The fourth proportional to 3,418.10, 4,713.73 and 2,480.10 is: 3,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.10 : 4,713.73 = 2,480.10 : x
  2. Step 2: Convert to fraction form
    3,418.10/4,713.73 = 2,480.10/x
  3. Step 3: Cross multiply
    3,418.10x = 4,713.73 × 2,480.10
  4. Step 4: Simplify right side
    3,418.10x = 11,690,521.77
  5. Step 5: Solve for x
    x = 11,690,521.77/3,418.10
  6. Step 6: Final answer
    x = 3,420.18

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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.