Home / 2,959.50-4,433.40-1,789.80

Finding the Fourth Proportional to 2,959.50, 4,433.40 and 1,789.80

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Solution

The fourth proportional to 2,959.50, 4,433.40 and 1,789.80 is: 2,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.50 : 4,433.40 = 1,789.80 : x
  2. Step 2: Convert to fraction form
    2,959.50/4,433.40 = 1,789.80/x
  3. Step 3: Cross multiply
    2,959.50x = 4,433.40 × 1,789.80
  4. Step 4: Simplify right side
    2,959.50x = 7,934,899.32
  5. Step 5: Solve for x
    x = 7,934,899.32/2,959.50
  6. Step 6: Final answer
    x = 2,681.16

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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.