Home / 3,411.36-5,117.02-2,947.73

Finding the Fourth Proportional to 3,411.36, 5,117.02 and 2,947.73

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Solution

The fourth proportional to 3,411.36, 5,117.02 and 2,947.73 is: 4,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.36 : 5,117.02 = 2,947.73 : x
  2. Step 2: Convert to fraction form
    3,411.36/5,117.02 = 2,947.73/x
  3. Step 3: Cross multiply
    3,411.36x = 5,117.02 × 2,947.73
  4. Step 4: Simplify right side
    3,411.36x = 15,083,560.41
  5. Step 5: Solve for x
    x = 15,083,560.41/3,411.36
  6. Step 6: Final answer
    x = 4,421.57

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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.