Home / 2,941.65-4,412.48-1,298.20

Finding the Fourth Proportional to 2,941.65, 4,412.48 and 1,298.20

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Solution

The fourth proportional to 2,941.65, 4,412.48 and 1,298.20 is: 1,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.65 : 4,412.48 = 1,298.20 : x
  2. Step 2: Convert to fraction form
    2,941.65/4,412.48 = 1,298.20/x
  3. Step 3: Cross multiply
    2,941.65x = 4,412.48 × 1,298.20
  4. Step 4: Simplify right side
    2,941.65x = 5,728,281.54
  5. Step 5: Solve for x
    x = 5,728,281.54/2,941.65
  6. Step 6: Final answer
    x = 1,947.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.