Home / 2,459.85-3,394.49-1,340.76

Finding the Fourth Proportional to 2,459.85, 3,394.49 and 1,340.76

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Solution

The fourth proportional to 2,459.85, 3,394.49 and 1,340.76 is: 1,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.85 : 3,394.49 = 1,340.76 : x
  2. Step 2: Convert to fraction form
    2,459.85/3,394.49 = 1,340.76/x
  3. Step 3: Cross multiply
    2,459.85x = 3,394.49 × 1,340.76
  4. Step 4: Simplify right side
    2,459.85x = 4,551,196.41
  5. Step 5: Solve for x
    x = 4,551,196.41/2,459.85
  6. Step 6: Final answer
    x = 1,850.19

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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.