Home / 2,868.15-3,952.64-2,070.07

Finding the Fourth Proportional to 2,868.15, 3,952.64 and 2,070.07

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Solution

The fourth proportional to 2,868.15, 3,952.64 and 2,070.07 is: 2,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.15 : 3,952.64 = 2,070.07 : x
  2. Step 2: Convert to fraction form
    2,868.15/3,952.64 = 2,070.07/x
  3. Step 3: Cross multiply
    2,868.15x = 3,952.64 × 2,070.07
  4. Step 4: Simplify right side
    2,868.15x = 8,182,229.02
  5. Step 5: Solve for x
    x = 8,182,229.02/2,868.15
  6. Step 6: Final answer
    x = 2,852.79

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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.