Home / 2,422.95-3,636.81-1,881.06

Finding the Fourth Proportional to 2,422.95, 3,636.81 and 1,881.06

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Solution

The fourth proportional to 2,422.95, 3,636.81 and 1,881.06 is: 2,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.95 : 3,636.81 = 1,881.06 : x
  2. Step 2: Convert to fraction form
    2,422.95/3,636.81 = 1,881.06/x
  3. Step 3: Cross multiply
    2,422.95x = 3,636.81 × 1,881.06
  4. Step 4: Simplify right side
    2,422.95x = 6,841,057.82
  5. Step 5: Solve for x
    x = 6,841,057.82/2,422.95
  6. Step 6: Final answer
    x = 2,823.44

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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.