Home / 2,818.03-3,888.85-1,576.03

Finding the Fourth Proportional to 2,818.03, 3,888.85 and 1,576.03

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Solution

The fourth proportional to 2,818.03, 3,888.85 and 1,576.03 is: 2,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.03 : 3,888.85 = 1,576.03 : x
  2. Step 2: Convert to fraction form
    2,818.03/3,888.85 = 1,576.03/x
  3. Step 3: Cross multiply
    2,818.03x = 3,888.85 × 1,576.03
  4. Step 4: Simplify right side
    2,818.03x = 6,128,944.27
  5. Step 5: Solve for x
    x = 6,128,944.27/2,818.03
  6. Step 6: Final answer
    x = 2,174.90

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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.