Home / 2,418.14-3,337.31-1,356.18

Finding the Fourth Proportional to 2,418.14, 3,337.31 and 1,356.18

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Solution

The fourth proportional to 2,418.14, 3,337.31 and 1,356.18 is: 1,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.14 : 3,337.31 = 1,356.18 : x
  2. Step 2: Convert to fraction form
    2,418.14/3,337.31 = 1,356.18/x
  3. Step 3: Cross multiply
    2,418.14x = 3,337.31 × 1,356.18
  4. Step 4: Simplify right side
    2,418.14x = 4,525,986.29
  5. Step 5: Solve for x
    x = 4,525,986.29/2,418.14
  6. Step 6: Final answer
    x = 1,871.68

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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.