Home / 2,864.40-3,952.84-1,588.28

Finding the Fourth Proportional to 2,864.40, 3,952.84 and 1,588.28

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Solution

The fourth proportional to 2,864.40, 3,952.84 and 1,588.28 is: 2,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.40 : 3,952.84 = 1,588.28 : x
  2. Step 2: Convert to fraction form
    2,864.40/3,952.84 = 1,588.28/x
  3. Step 3: Cross multiply
    2,864.40x = 3,952.84 × 1,588.28
  4. Step 4: Simplify right side
    2,864.40x = 6,278,216.72
  5. Step 5: Solve for x
    x = 6,278,216.72/2,864.40
  6. Step 6: Final answer
    x = 2,191.81

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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.