Home / 3,528.03-5,287.95-2,904.78

Finding the Fourth Proportional to 3,528.03, 5,287.95 and 2,904.78

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Solution

The fourth proportional to 3,528.03, 5,287.95 and 2,904.78 is: 4,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.03 : 5,287.95 = 2,904.78 : x
  2. Step 2: Convert to fraction form
    3,528.03/5,287.95 = 2,904.78/x
  3. Step 3: Cross multiply
    3,528.03x = 5,287.95 × 2,904.78
  4. Step 4: Simplify right side
    3,528.03x = 15,360,331.40
  5. Step 5: Solve for x
    x = 15,360,331.40/3,528.03
  6. Step 6: Final answer
    x = 4,353.80

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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.