Home / 1,959.24-2,703.95-1,120.02

Finding the Fourth Proportional to 1,959.24, 2,703.95 and 1,120.02

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Solution

The fourth proportional to 1,959.24, 2,703.95 and 1,120.02 is: 1,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.24 : 2,703.95 = 1,120.02 : x
  2. Step 2: Convert to fraction form
    1,959.24/2,703.95 = 1,120.02/x
  3. Step 3: Cross multiply
    1,959.24x = 2,703.95 × 1,120.02
  4. Step 4: Simplify right side
    1,959.24x = 3,028,478.08
  5. Step 5: Solve for x
    x = 3,028,478.08/1,959.24
  6. Step 6: Final answer
    x = 1,545.74

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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.