Home / 3,215.48-4,431.44-2,652.53

Finding the Fourth Proportional to 3,215.48, 4,431.44 and 2,652.53

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Solution

The fourth proportional to 3,215.48, 4,431.44 and 2,652.53 is: 3,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.48 : 4,431.44 = 2,652.53 : x
  2. Step 2: Convert to fraction form
    3,215.48/4,431.44 = 2,652.53/x
  3. Step 3: Cross multiply
    3,215.48x = 4,431.44 × 2,652.53
  4. Step 4: Simplify right side
    3,215.48x = 11,754,513.29
  5. Step 5: Solve for x
    x = 11,754,513.29/3,215.48
  6. Step 6: Final answer
    x = 3,655.60

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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.