Home / 2,912.18-4,368.56-964.53

Finding the Fourth Proportional to 2,912.18, 4,368.56 and 964.53

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Solution

The fourth proportional to 2,912.18, 4,368.56 and 964.53 is: 1,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.18 : 4,368.56 = 964.53 : x
  2. Step 2: Convert to fraction form
    2,912.18/4,368.56 = 964.53/x
  3. Step 3: Cross multiply
    2,912.18x = 4,368.56 × 964.53
  4. Step 4: Simplify right side
    2,912.18x = 4,213,602.35
  5. Step 5: Solve for x
    x = 4,213,602.35/2,912.18
  6. Step 6: Final answer
    x = 1,446.89

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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.