Home / 2,959.28-4,437.55-1,109.07

Finding the Fourth Proportional to 2,959.28, 4,437.55 and 1,109.07

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Solution

The fourth proportional to 2,959.28, 4,437.55 and 1,109.07 is: 1,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.28 : 4,437.55 = 1,109.07 : x
  2. Step 2: Convert to fraction form
    2,959.28/4,437.55 = 1,109.07/x
  3. Step 3: Cross multiply
    2,959.28x = 4,437.55 × 1,109.07
  4. Step 4: Simplify right side
    2,959.28x = 4,921,554.96
  5. Step 5: Solve for x
    x = 4,921,554.96/2,959.28
  6. Step 6: Final answer
    x = 1,663.09

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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.