Home / 3,609.30-4,983.15-2,947.74

Finding the Fourth Proportional to 3,609.30, 4,983.15 and 2,947.74

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Solution

The fourth proportional to 3,609.30, 4,983.15 and 2,947.74 is: 4,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.30 : 4,983.15 = 2,947.74 : x
  2. Step 2: Convert to fraction form
    3,609.30/4,983.15 = 2,947.74/x
  3. Step 3: Cross multiply
    3,609.30x = 4,983.15 × 2,947.74
  4. Step 4: Simplify right side
    3,609.30x = 14,689,030.58
  5. Step 5: Solve for x
    x = 14,689,030.58/3,609.30
  6. Step 6: Final answer
    x = 4,069.77

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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.