Home / 2,419.75-3,339.27-1,425.07

Finding the Fourth Proportional to 2,419.75, 3,339.27 and 1,425.07

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Solution

The fourth proportional to 2,419.75, 3,339.27 and 1,425.07 is: 1,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.75 : 3,339.27 = 1,425.07 : x
  2. Step 2: Convert to fraction form
    2,419.75/3,339.27 = 1,425.07/x
  3. Step 3: Cross multiply
    2,419.75x = 3,339.27 × 1,425.07
  4. Step 4: Simplify right side
    2,419.75x = 4,758,693.50
  5. Step 5: Solve for x
    x = 4,758,693.50/2,419.75
  6. Step 6: Final answer
    x = 1,966.61

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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.