Home / 2,944.80-4,061.40-2,148.12

Finding the Fourth Proportional to 2,944.80, 4,061.40 and 2,148.12

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Solution

The fourth proportional to 2,944.80, 4,061.40 and 2,148.12 is: 2,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.80 : 4,061.40 = 2,148.12 : x
  2. Step 2: Convert to fraction form
    2,944.80/4,061.40 = 2,148.12/x
  3. Step 3: Cross multiply
    2,944.80x = 4,061.40 × 2,148.12
  4. Step 4: Simplify right side
    2,944.80x = 8,724,374.57
  5. Step 5: Solve for x
    x = 8,724,374.57/2,944.80
  6. Step 6: Final answer
    x = 2,962.64

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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.