Home / 2,844.30-4,266.45-1,920.90

Finding the Fourth Proportional to 2,844.30, 4,266.45 and 1,920.90

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Solution

The fourth proportional to 2,844.30, 4,266.45 and 1,920.90 is: 2,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.30 : 4,266.45 = 1,920.90 : x
  2. Step 2: Convert to fraction form
    2,844.30/4,266.45 = 1,920.90/x
  3. Step 3: Cross multiply
    2,844.30x = 4,266.45 × 1,920.90
  4. Step 4: Simplify right side
    2,844.30x = 8,195,423.81
  5. Step 5: Solve for x
    x = 8,195,423.81/2,844.30
  6. Step 6: Final answer
    x = 2,881.35

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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.