Home / 2,963.28-4,445.40-1,424.28

Finding the Fourth Proportional to 2,963.28, 4,445.40 and 1,424.28

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Solution

The fourth proportional to 2,963.28, 4,445.40 and 1,424.28 is: 2,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.28 : 4,445.40 = 1,424.28 : x
  2. Step 2: Convert to fraction form
    2,963.28/4,445.40 = 1,424.28/x
  3. Step 3: Cross multiply
    2,963.28x = 4,445.40 × 1,424.28
  4. Step 4: Simplify right side
    2,963.28x = 6,331,494.31
  5. Step 5: Solve for x
    x = 6,331,494.31/2,963.28
  6. Step 6: Final answer
    x = 2,136.65

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1.5x scale

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.