Home / 4,211.30-5,813.97-2,920.10

Finding the Fourth Proportional to 4,211.30, 5,813.97 and 2,920.10

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Solution

The fourth proportional to 4,211.30, 5,813.97 and 2,920.10 is: 4,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.30 : 5,813.97 = 2,920.10 : x
  2. Step 2: Convert to fraction form
    4,211.30/5,813.97 = 2,920.10/x
  3. Step 3: Cross multiply
    4,211.30x = 5,813.97 × 2,920.10
  4. Step 4: Simplify right side
    4,211.30x = 16,977,373.80
  5. Step 5: Solve for x
    x = 16,977,373.80/4,211.30
  6. Step 6: Final answer
    x = 4,031.39

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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.