Home / 2,261.25-3,127.01-2,158.11

Finding the Fourth Proportional to 2,261.25, 3,127.01 and 2,158.11

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Solution

The fourth proportional to 2,261.25, 3,127.01 and 2,158.11 is: 2,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.25 : 3,127.01 = 2,158.11 : x
  2. Step 2: Convert to fraction form
    2,261.25/3,127.01 = 2,158.11/x
  3. Step 3: Cross multiply
    2,261.25x = 3,127.01 × 2,158.11
  4. Step 4: Simplify right side
    2,261.25x = 6,748,420.76
  5. Step 5: Solve for x
    x = 6,748,420.76/2,261.25
  6. Step 6: Final answer
    x = 2,984.38

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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.