Home / 2,904.50-4,353.75-1,148.78

Finding the Fourth Proportional to 2,904.50, 4,353.75 and 1,148.78

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Solution

The fourth proportional to 2,904.50, 4,353.75 and 1,148.78 is: 1,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.50 : 4,353.75 = 1,148.78 : x
  2. Step 2: Convert to fraction form
    2,904.50/4,353.75 = 1,148.78/x
  3. Step 3: Cross multiply
    2,904.50x = 4,353.75 × 1,148.78
  4. Step 4: Simplify right side
    2,904.50x = 5,001,479.16
  5. Step 5: Solve for x
    x = 5,001,479.16/2,904.50
  6. Step 6: Final answer
    x = 1,721.98

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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.