Home / 2,744.20-4,116.30-1,869.40

Finding the Fourth Proportional to 2,744.20, 4,116.30 and 1,869.40

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Solution

The fourth proportional to 2,744.20, 4,116.30 and 1,869.40 is: 2,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.20 : 4,116.30 = 1,869.40 : x
  2. Step 2: Convert to fraction form
    2,744.20/4,116.30 = 1,869.40/x
  3. Step 3: Cross multiply
    2,744.20x = 4,116.30 × 1,869.40
  4. Step 4: Simplify right side
    2,744.20x = 7,695,011.22
  5. Step 5: Solve for x
    x = 7,695,011.22/2,744.20
  6. Step 6: Final answer
    x = 2,804.10

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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.