Home / 2,321.52-3,473.55-1,428.95

Finding the Fourth Proportional to 2,321.52, 3,473.55 and 1,428.95

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Solution

The fourth proportional to 2,321.52, 3,473.55 and 1,428.95 is: 2,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.52 : 3,473.55 = 1,428.95 : x
  2. Step 2: Convert to fraction form
    2,321.52/3,473.55 = 1,428.95/x
  3. Step 3: Cross multiply
    2,321.52x = 3,473.55 × 1,428.95
  4. Step 4: Simplify right side
    2,321.52x = 4,963,529.27
  5. Step 5: Solve for x
    x = 4,963,529.27/2,321.52
  6. Step 6: Final answer
    x = 2,138.05

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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.