Home / 2,459.79-3,394.71-1,411.92

Finding the Fourth Proportional to 2,459.79, 3,394.71 and 1,411.92

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Solution

The fourth proportional to 2,459.79, 3,394.71 and 1,411.92 is: 1,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.79 : 3,394.71 = 1,411.92 : x
  2. Step 2: Convert to fraction form
    2,459.79/3,394.71 = 1,411.92/x
  3. Step 3: Cross multiply
    2,459.79x = 3,394.71 × 1,411.92
  4. Step 4: Simplify right side
    2,459.79x = 4,793,058.94
  5. Step 5: Solve for x
    x = 4,793,058.94/2,459.79
  6. Step 6: Final answer
    x = 1,948.56

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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.