Home / 3,208.08-4,808.28-1,153.68

Finding the Fourth Proportional to 3,208.08, 4,808.28 and 1,153.68

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Solution

The fourth proportional to 3,208.08, 4,808.28 and 1,153.68 is: 1,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.08 : 4,808.28 = 1,153.68 : x
  2. Step 2: Convert to fraction form
    3,208.08/4,808.28 = 1,153.68/x
  3. Step 3: Cross multiply
    3,208.08x = 4,808.28 × 1,153.68
  4. Step 4: Simplify right side
    3,208.08x = 5,547,216.47
  5. Step 5: Solve for x
    x = 5,547,216.47/3,208.08
  6. Step 6: Final answer
    x = 1,729.14

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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.