Home / 2,538.04-3,507.06-1,979.92

Finding the Fourth Proportional to 2,538.04, 3,507.06 and 1,979.92

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Solution

The fourth proportional to 2,538.04, 3,507.06 and 1,979.92 is: 2,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.04 : 3,507.06 = 1,979.92 : x
  2. Step 2: Convert to fraction form
    2,538.04/3,507.06 = 1,979.92/x
  3. Step 3: Cross multiply
    2,538.04x = 3,507.06 × 1,979.92
  4. Step 4: Simplify right side
    2,538.04x = 6,943,698.24
  5. Step 5: Solve for x
    x = 6,943,698.24/2,538.04
  6. Step 6: Final answer
    x = 2,735.85

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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.