Home / 2,998.49-4,140.51-1,881.34

Finding the Fourth Proportional to 2,998.49, 4,140.51 and 1,881.34

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Solution

The fourth proportional to 2,998.49, 4,140.51 and 1,881.34 is: 2,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.49 : 4,140.51 = 1,881.34 : x
  2. Step 2: Convert to fraction form
    2,998.49/4,140.51 = 1,881.34/x
  3. Step 3: Cross multiply
    2,998.49x = 4,140.51 × 1,881.34
  4. Step 4: Simplify right side
    2,998.49x = 7,789,689.68
  5. Step 5: Solve for x
    x = 7,789,689.68/2,998.49
  6. Step 6: Final answer
    x = 2,597.88

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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.