Home / 3,585.20-4,947.48-2,013.39

Finding the Fourth Proportional to 3,585.20, 4,947.48 and 2,013.39

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Solution

The fourth proportional to 3,585.20, 4,947.48 and 2,013.39 is: 2,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.20 : 4,947.48 = 2,013.39 : x
  2. Step 2: Convert to fraction form
    3,585.20/4,947.48 = 2,013.39/x
  3. Step 3: Cross multiply
    3,585.20x = 4,947.48 × 2,013.39
  4. Step 4: Simplify right side
    3,585.20x = 9,961,206.76
  5. Step 5: Solve for x
    x = 9,961,206.76/3,585.20
  6. Step 6: Final answer
    x = 2,778.43

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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.