Home / 2,880.11-4,317.72-904.48

Finding the Fourth Proportional to 2,880.11, 4,317.72 and 904.48

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Solution

The fourth proportional to 2,880.11, 4,317.72 and 904.48 is: 1,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.11 : 4,317.72 = 904.48 : x
  2. Step 2: Convert to fraction form
    2,880.11/4,317.72 = 904.48/x
  3. Step 3: Cross multiply
    2,880.11x = 4,317.72 × 904.48
  4. Step 4: Simplify right side
    2,880.11x = 3,905,306.57
  5. Step 5: Solve for x
    x = 3,905,306.57/2,880.11
  6. Step 6: Final answer
    x = 1,355.96

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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.