Home / 2,281.70-3,148.26-1,929.08

Finding the Fourth Proportional to 2,281.70, 3,148.26 and 1,929.08

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Solution

The fourth proportional to 2,281.70, 3,148.26 and 1,929.08 is: 2,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.70 : 3,148.26 = 1,929.08 : x
  2. Step 2: Convert to fraction form
    2,281.70/3,148.26 = 1,929.08/x
  3. Step 3: Cross multiply
    2,281.70x = 3,148.26 × 1,929.08
  4. Step 4: Simplify right side
    2,281.70x = 6,073,245.40
  5. Step 5: Solve for x
    x = 6,073,245.40/2,281.70
  6. Step 6: Final answer
    x = 2,661.72

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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.