Home / 2,123.28-2,930.76-1,495.44

Finding the Fourth Proportional to 2,123.28, 2,930.76 and 1,495.44

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Solution

The fourth proportional to 2,123.28, 2,930.76 and 1,495.44 is: 2,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.28 : 2,930.76 = 1,495.44 : x
  2. Step 2: Convert to fraction form
    2,123.28/2,930.76 = 1,495.44/x
  3. Step 3: Cross multiply
    2,123.28x = 2,930.76 × 1,495.44
  4. Step 4: Simplify right side
    2,123.28x = 4,382,775.73
  5. Step 5: Solve for x
    x = 4,382,775.73/2,123.28
  6. Step 6: Final answer
    x = 2,064.15

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1.5x scale

Why These Related Problems?

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