Home / 2,921.38-4,377.72-2,848.93

Finding the Fourth Proportional to 2,921.38, 4,377.72 and 2,848.93

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Solution

The fourth proportional to 2,921.38, 4,377.72 and 2,848.93 is: 4,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.38 : 4,377.72 = 2,848.93 : x
  2. Step 2: Convert to fraction form
    2,921.38/4,377.72 = 2,848.93/x
  3. Step 3: Cross multiply
    2,921.38x = 4,377.72 × 2,848.93
  4. Step 4: Simplify right side
    2,921.38x = 12,471,817.84
  5. Step 5: Solve for x
    x = 12,471,817.84/2,921.38
  6. Step 6: Final answer
    x = 4,269.15

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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.