Home / 2,047.85-3,070.91-1,123.14

Finding the Fourth Proportional to 2,047.85, 3,070.91 and 1,123.14

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Solution

The fourth proportional to 2,047.85, 3,070.91 and 1,123.14 is: 1,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.85 : 3,070.91 = 1,123.14 : x
  2. Step 2: Convert to fraction form
    2,047.85/3,070.91 = 1,123.14/x
  3. Step 3: Cross multiply
    2,047.85x = 3,070.91 × 1,123.14
  4. Step 4: Simplify right side
    2,047.85x = 3,449,056.24
  5. Step 5: Solve for x
    x = 3,449,056.24/2,047.85
  6. Step 6: Final answer
    x = 1,684.24

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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.