Home / 4,278.20-5,903.28-2,598.72

Finding the Fourth Proportional to 4,278.20, 5,903.28 and 2,598.72

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Solution

The fourth proportional to 4,278.20, 5,903.28 and 2,598.72 is: 3,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.20 : 5,903.28 = 2,598.72 : x
  2. Step 2: Convert to fraction form
    4,278.20/5,903.28 = 2,598.72/x
  3. Step 3: Cross multiply
    4,278.20x = 5,903.28 × 2,598.72
  4. Step 4: Simplify right side
    4,278.20x = 15,340,971.80
  5. Step 5: Solve for x
    x = 15,340,971.80/4,278.20
  6. Step 6: Final answer
    x = 3,585.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.