Home / 2,869.48-3,959.80-1,674.73

Finding the Fourth Proportional to 2,869.48, 3,959.80 and 1,674.73

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Solution

The fourth proportional to 2,869.48, 3,959.80 and 1,674.73 is: 2,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.48 : 3,959.80 = 1,674.73 : x
  2. Step 2: Convert to fraction form
    2,869.48/3,959.80 = 1,674.73/x
  3. Step 3: Cross multiply
    2,869.48x = 3,959.80 × 1,674.73
  4. Step 4: Simplify right side
    2,869.48x = 6,631,595.85
  5. Step 5: Solve for x
    x = 6,631,595.85/2,869.48
  6. Step 6: Final answer
    x = 2,311.08

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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.