Home / 3,215.52-4,823.19-1,484.15

Finding the Fourth Proportional to 3,215.52, 4,823.19 and 1,484.15

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Solution

The fourth proportional to 3,215.52, 4,823.19 and 1,484.15 is: 2,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.52 : 4,823.19 = 1,484.15 : x
  2. Step 2: Convert to fraction form
    3,215.52/4,823.19 = 1,484.15/x
  3. Step 3: Cross multiply
    3,215.52x = 4,823.19 × 1,484.15
  4. Step 4: Simplify right side
    3,215.52x = 7,158,313.32
  5. Step 5: Solve for x
    x = 7,158,313.32/3,215.52
  6. Step 6: Final answer
    x = 2,226.18

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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.