Home / 1,759.61-2,427.45-1,129.97

Finding the Fourth Proportional to 1,759.61, 2,427.45 and 1,129.97

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Solution

The fourth proportional to 1,759.61, 2,427.45 and 1,129.97 is: 1,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.61 : 2,427.45 = 1,129.97 : x
  2. Step 2: Convert to fraction form
    1,759.61/2,427.45 = 1,129.97/x
  3. Step 3: Cross multiply
    1,759.61x = 2,427.45 × 1,129.97
  4. Step 4: Simplify right side
    1,759.61x = 2,742,945.68
  5. Step 5: Solve for x
    x = 2,742,945.68/1,759.61
  6. Step 6: Final answer
    x = 1,558.84

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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.