Home / 2,952.84-4,425.66-1,390.79

Finding the Fourth Proportional to 2,952.84, 4,425.66 and 1,390.79

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Solution

The fourth proportional to 2,952.84, 4,425.66 and 1,390.79 is: 2,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.84 : 4,425.66 = 1,390.79 : x
  2. Step 2: Convert to fraction form
    2,952.84/4,425.66 = 1,390.79/x
  3. Step 3: Cross multiply
    2,952.84x = 4,425.66 × 1,390.79
  4. Step 4: Simplify right side
    2,952.84x = 6,155,141.54
  5. Step 5: Solve for x
    x = 6,155,141.54/2,952.84
  6. Step 6: Final answer
    x = 2,084.48

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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.