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Finding the Fourth Proportional to 3,123.01, 4,675.17 and 1,886.67

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Solution

The fourth proportional to 3,123.01, 4,675.17 and 1,886.67 is: 2,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.01 : 4,675.17 = 1,886.67 : x
  2. Step 2: Convert to fraction form
    3,123.01/4,675.17 = 1,886.67/x
  3. Step 3: Cross multiply
    3,123.01x = 4,675.17 × 1,886.67
  4. Step 4: Simplify right side
    3,123.01x = 8,820,486.30
  5. Step 5: Solve for x
    x = 8,820,486.30/3,123.01
  6. Step 6: Final answer
    x = 2,824.36

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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.