Home / 1,962.08-2,707.74-1,077.95

Finding the Fourth Proportional to 1,962.08, 2,707.74 and 1,077.95

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Solution

The fourth proportional to 1,962.08, 2,707.74 and 1,077.95 is: 1,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.08 : 2,707.74 = 1,077.95 : x
  2. Step 2: Convert to fraction form
    1,962.08/2,707.74 = 1,077.95/x
  3. Step 3: Cross multiply
    1,962.08x = 2,707.74 × 1,077.95
  4. Step 4: Simplify right side
    1,962.08x = 2,918,808.33
  5. Step 5: Solve for x
    x = 2,918,808.33/1,962.08
  6. Step 6: Final answer
    x = 1,487.61

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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.