Home / 3,207.15-4,423.50-2,011.23

Finding the Fourth Proportional to 3,207.15, 4,423.50 and 2,011.23

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Solution

The fourth proportional to 3,207.15, 4,423.50 and 2,011.23 is: 2,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.15 : 4,423.50 = 2,011.23 : x
  2. Step 2: Convert to fraction form
    3,207.15/4,423.50 = 2,011.23/x
  3. Step 3: Cross multiply
    3,207.15x = 4,423.50 × 2,011.23
  4. Step 4: Simplify right side
    3,207.15x = 8,896,675.91
  5. Step 5: Solve for x
    x = 8,896,675.91/3,207.15
  6. Step 6: Final answer
    x = 2,774.01

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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.