Home / 2,482.25-3,425.51-1,378.25

Finding the Fourth Proportional to 2,482.25, 3,425.51 and 1,378.25

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Solution

The fourth proportional to 2,482.25, 3,425.51 and 1,378.25 is: 1,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.25 : 3,425.51 = 1,378.25 : x
  2. Step 2: Convert to fraction form
    2,482.25/3,425.51 = 1,378.25/x
  3. Step 3: Cross multiply
    2,482.25x = 3,425.51 × 1,378.25
  4. Step 4: Simplify right side
    2,482.25x = 4,721,209.16
  5. Step 5: Solve for x
    x = 4,721,209.16/2,482.25
  6. Step 6: Final answer
    x = 1,901.99

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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.