Home / 2,904.80-4,358.46-1,261.76

Finding the Fourth Proportional to 2,904.80, 4,358.46 and 1,261.76

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Solution

The fourth proportional to 2,904.80, 4,358.46 and 1,261.76 is: 1,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.80 : 4,358.46 = 1,261.76 : x
  2. Step 2: Convert to fraction form
    2,904.80/4,358.46 = 1,261.76/x
  3. Step 3: Cross multiply
    2,904.80x = 4,358.46 × 1,261.76
  4. Step 4: Simplify right side
    2,904.80x = 5,499,330.49
  5. Step 5: Solve for x
    x = 5,499,330.49/2,904.80
  6. Step 6: Final answer
    x = 1,893.19

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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.