Home / 3,097.96-4,275.19-1,681.65

Finding the Fourth Proportional to 3,097.96, 4,275.19 and 1,681.65

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Solution

The fourth proportional to 3,097.96, 4,275.19 and 1,681.65 is: 2,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.96 : 4,275.19 = 1,681.65 : x
  2. Step 2: Convert to fraction form
    3,097.96/4,275.19 = 1,681.65/x
  3. Step 3: Cross multiply
    3,097.96x = 4,275.19 × 1,681.65
  4. Step 4: Simplify right side
    3,097.96x = 7,189,367.49
  5. Step 5: Solve for x
    x = 7,189,367.49/3,097.96
  6. Step 6: Final answer
    x = 2,320.68

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Half scale
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Double scale
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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.