Home / 2,947.19-4,424.42-2,338.47

Finding the Fourth Proportional to 2,947.19, 4,424.42 and 2,338.47

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Solution

The fourth proportional to 2,947.19, 4,424.42 and 2,338.47 is: 3,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.19 : 4,424.42 = 2,338.47 : x
  2. Step 2: Convert to fraction form
    2,947.19/4,424.42 = 2,338.47/x
  3. Step 3: Cross multiply
    2,947.19x = 4,424.42 × 2,338.47
  4. Step 4: Simplify right side
    2,947.19x = 10,346,379.28
  5. Step 5: Solve for x
    x = 10,346,379.28/2,947.19
  6. Step 6: Final answer
    x = 3,510.60

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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.