Home / 3,985.03-5,498.44-2,306.39

Finding the Fourth Proportional to 3,985.03, 5,498.44 and 2,306.39

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Solution

The fourth proportional to 3,985.03, 5,498.44 and 2,306.39 is: 3,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.03 : 5,498.44 = 2,306.39 : x
  2. Step 2: Convert to fraction form
    3,985.03/5,498.44 = 2,306.39/x
  3. Step 3: Cross multiply
    3,985.03x = 5,498.44 × 2,306.39
  4. Step 4: Simplify right side
    3,985.03x = 12,681,547.03
  5. Step 5: Solve for x
    x = 12,681,547.03/3,985.03
  6. Step 6: Final answer
    x = 3,182.30

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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.