Home / 3,307.85-4,564.97-1,981.29

Finding the Fourth Proportional to 3,307.85, 4,564.97 and 1,981.29

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Solution

The fourth proportional to 3,307.85, 4,564.97 and 1,981.29 is: 2,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.85 : 4,564.97 = 1,981.29 : x
  2. Step 2: Convert to fraction form
    3,307.85/4,564.97 = 1,981.29/x
  3. Step 3: Cross multiply
    3,307.85x = 4,564.97 × 1,981.29
  4. Step 4: Simplify right side
    3,307.85x = 9,044,519.50
  5. Step 5: Solve for x
    x = 9,044,519.50/3,307.85
  6. Step 6: Final answer
    x = 2,734.26

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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.