Home / 2,418.41-3,337.40-1,356.19

Finding the Fourth Proportional to 2,418.41, 3,337.40 and 1,356.19

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Solution

The fourth proportional to 2,418.41, 3,337.40 and 1,356.19 is: 1,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.41 : 3,337.40 = 1,356.19 : x
  2. Step 2: Convert to fraction form
    2,418.41/3,337.40 = 1,356.19/x
  3. Step 3: Cross multiply
    2,418.41x = 3,337.40 × 1,356.19
  4. Step 4: Simplify right side
    2,418.41x = 4,526,162.33
  5. Step 5: Solve for x
    x = 4,526,162.33/2,418.41
  6. Step 6: Final answer
    x = 1,871.55

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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.