Home / 1,959.12-2,703.63-1,074.98

Finding the Fourth Proportional to 1,959.12, 2,703.63 and 1,074.98

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Solution

The fourth proportional to 1,959.12, 2,703.63 and 1,074.98 is: 1,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.12 : 2,703.63 = 1,074.98 : x
  2. Step 2: Convert to fraction form
    1,959.12/2,703.63 = 1,074.98/x
  3. Step 3: Cross multiply
    1,959.12x = 2,703.63 × 1,074.98
  4. Step 4: Simplify right side
    1,959.12x = 2,906,345.32
  5. Step 5: Solve for x
    x = 2,906,345.32/1,959.12
  6. Step 6: Final answer
    x = 1,483.50

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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.