Home / 2,207.54-3,312.06-1,384.85

Finding the Fourth Proportional to 2,207.54, 3,312.06 and 1,384.85

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Solution

The fourth proportional to 2,207.54, 3,312.06 and 1,384.85 is: 2,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.54 : 3,312.06 = 1,384.85 : x
  2. Step 2: Convert to fraction form
    2,207.54/3,312.06 = 1,384.85/x
  3. Step 3: Cross multiply
    2,207.54x = 3,312.06 × 1,384.85
  4. Step 4: Simplify right side
    2,207.54x = 4,586,706.29
  5. Step 5: Solve for x
    x = 4,586,706.29/2,207.54
  6. Step 6: Final answer
    x = 2,077.75

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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.