Home / 2,902.88-4,353.80-1,342.76

Finding the Fourth Proportional to 2,902.88, 4,353.80 and 1,342.76

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Solution

The fourth proportional to 2,902.88, 4,353.80 and 1,342.76 is: 2,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.88 : 4,353.80 = 1,342.76 : x
  2. Step 2: Convert to fraction form
    2,902.88/4,353.80 = 1,342.76/x
  3. Step 3: Cross multiply
    2,902.88x = 4,353.80 × 1,342.76
  4. Step 4: Simplify right side
    2,902.88x = 5,846,108.49
  5. Step 5: Solve for x
    x = 5,846,108.49/2,902.88
  6. Step 6: Final answer
    x = 2,013.90

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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.