Home / 3,646.08-5,031.27-2,154.06

Finding the Fourth Proportional to 3,646.08, 5,031.27 and 2,154.06

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Solution

The fourth proportional to 3,646.08, 5,031.27 and 2,154.06 is: 2,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.08 : 5,031.27 = 2,154.06 : x
  2. Step 2: Convert to fraction form
    3,646.08/5,031.27 = 2,154.06/x
  3. Step 3: Cross multiply
    3,646.08x = 5,031.27 × 2,154.06
  4. Step 4: Simplify right side
    3,646.08x = 10,837,657.46
  5. Step 5: Solve for x
    x = 10,837,657.46/3,646.08
  6. Step 6: Final answer
    x = 2,972.41

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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.