Home / 3,215.29-4,822.94-2,570.12

Finding the Fourth Proportional to 3,215.29, 4,822.94 and 2,570.12

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Solution

The fourth proportional to 3,215.29, 4,822.94 and 2,570.12 is: 3,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.29 : 4,822.94 = 2,570.12 : x
  2. Step 2: Convert to fraction form
    3,215.29/4,822.94 = 2,570.12/x
  3. Step 3: Cross multiply
    3,215.29x = 4,822.94 × 2,570.12
  4. Step 4: Simplify right side
    3,215.29x = 12,395,534.55
  5. Step 5: Solve for x
    x = 12,395,534.55/3,215.29
  6. Step 6: Final answer
    x = 3,855.18

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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.