Home / 1,962.01-2,707.54-1,077.79

Finding the Fourth Proportional to 1,962.01, 2,707.54 and 1,077.79

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Solution

The fourth proportional to 1,962.01, 2,707.54 and 1,077.79 is: 1,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.01 : 2,707.54 = 1,077.79 : x
  2. Step 2: Convert to fraction form
    1,962.01/2,707.54 = 1,077.79/x
  3. Step 3: Cross multiply
    1,962.01x = 2,707.54 × 1,077.79
  4. Step 4: Simplify right side
    1,962.01x = 2,918,159.54
  5. Step 5: Solve for x
    x = 2,918,159.54/1,962.01
  6. Step 6: Final answer
    x = 1,487.33

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1.5x scale

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.