Home / 3,650.70-5,038.08-2,078.89

Finding the Fourth Proportional to 3,650.70, 5,038.08 and 2,078.89

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Solution

The fourth proportional to 3,650.70, 5,038.08 and 2,078.89 is: 2,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.70 : 5,038.08 = 2,078.89 : x
  2. Step 2: Convert to fraction form
    3,650.70/5,038.08 = 2,078.89/x
  3. Step 3: Cross multiply
    3,650.70x = 5,038.08 × 2,078.89
  4. Step 4: Simplify right side
    3,650.70x = 10,473,614.13
  5. Step 5: Solve for x
    x = 10,473,614.13/3,650.70
  6. Step 6: Final answer
    x = 2,868.93

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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.