Home / 2,124.05-3,184.26-807.06

Finding the Fourth Proportional to 2,124.05, 3,184.26 and 807.06

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Solution

The fourth proportional to 2,124.05, 3,184.26 and 807.06 is: 1,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.05 : 3,184.26 = 807.06 : x
  2. Step 2: Convert to fraction form
    2,124.05/3,184.26 = 807.06/x
  3. Step 3: Cross multiply
    2,124.05x = 3,184.26 × 807.06
  4. Step 4: Simplify right side
    2,124.05x = 2,569,888.88
  5. Step 5: Solve for x
    x = 2,569,888.88/2,124.05
  6. Step 6: Final answer
    x = 1,209.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.