Home / 2,307.73-3,182.92-1,423.21

Finding the Fourth Proportional to 2,307.73, 3,182.92 and 1,423.21

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Solution

The fourth proportional to 2,307.73, 3,182.92 and 1,423.21 is: 1,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.73 : 3,182.92 = 1,423.21 : x
  2. Step 2: Convert to fraction form
    2,307.73/3,182.92 = 1,423.21/x
  3. Step 3: Cross multiply
    2,307.73x = 3,182.92 × 1,423.21
  4. Step 4: Simplify right side
    2,307.73x = 4,529,963.57
  5. Step 5: Solve for x
    x = 4,529,963.57/2,307.73
  6. Step 6: Final answer
    x = 1,962.95

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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.