Home / 3,643.17-5,027.85-2,316.39

Finding the Fourth Proportional to 3,643.17, 5,027.85 and 2,316.39

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Solution

The fourth proportional to 3,643.17, 5,027.85 and 2,316.39 is: 3,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.17 : 5,027.85 = 2,316.39 : x
  2. Step 2: Convert to fraction form
    3,643.17/5,027.85 = 2,316.39/x
  3. Step 3: Cross multiply
    3,643.17x = 5,027.85 × 2,316.39
  4. Step 4: Simplify right side
    3,643.17x = 11,646,461.46
  5. Step 5: Solve for x
    x = 11,646,461.46/3,643.17
  6. Step 6: Final answer
    x = 3,196.79

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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.