Home / 2,947.23-4,416.78-2,167.65

Finding the Fourth Proportional to 2,947.23, 4,416.78 and 2,167.65

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Solution

The fourth proportional to 2,947.23, 4,416.78 and 2,167.65 is: 3,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.23 : 4,416.78 = 2,167.65 : x
  2. Step 2: Convert to fraction form
    2,947.23/4,416.78 = 2,167.65/x
  3. Step 3: Cross multiply
    2,947.23x = 4,416.78 × 2,167.65
  4. Step 4: Simplify right side
    2,947.23x = 9,574,041.52
  5. Step 5: Solve for x
    x = 9,574,041.52/2,947.23
  6. Step 6: Final answer
    x = 3,248.49

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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.