Home / 2,570.12-3,854.28-2,159.36

Finding the Fourth Proportional to 2,570.12, 3,854.28 and 2,159.36

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Solution

The fourth proportional to 2,570.12, 3,854.28 and 2,159.36 is: 3,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.12 : 3,854.28 = 2,159.36 : x
  2. Step 2: Convert to fraction form
    2,570.12/3,854.28 = 2,159.36/x
  3. Step 3: Cross multiply
    2,570.12x = 3,854.28 × 2,159.36
  4. Step 4: Simplify right side
    2,570.12x = 8,322,778.06
  5. Step 5: Solve for x
    x = 8,322,778.06/2,570.12
  6. Step 6: Final answer
    x = 3,238.28

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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.