Home / 2,278.41-3,417.61-1,759.17

Finding the Fourth Proportional to 2,278.41, 3,417.61 and 1,759.17

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Solution

The fourth proportional to 2,278.41, 3,417.61 and 1,759.17 is: 2,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.41 : 3,417.61 = 1,759.17 : x
  2. Step 2: Convert to fraction form
    2,278.41/3,417.61 = 1,759.17/x
  3. Step 3: Cross multiply
    2,278.41x = 3,417.61 × 1,759.17
  4. Step 4: Simplify right side
    2,278.41x = 6,012,131.10
  5. Step 5: Solve for x
    x = 6,012,131.10/2,278.41
  6. Step 6: Final answer
    x = 2,638.75

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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.