Home / 2,281.15-3,422.59-1,357.24

Finding the Fourth Proportional to 2,281.15, 3,422.59 and 1,357.24

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Solution

The fourth proportional to 2,281.15, 3,422.59 and 1,357.24 is: 2,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.15 : 3,422.59 = 1,357.24 : x
  2. Step 2: Convert to fraction form
    2,281.15/3,422.59 = 1,357.24/x
  3. Step 3: Cross multiply
    2,281.15x = 3,422.59 × 1,357.24
  4. Step 4: Simplify right side
    2,281.15x = 4,645,276.05
  5. Step 5: Solve for x
    x = 4,645,276.05/2,281.15
  6. Step 6: Final answer
    x = 2,036.37

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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.