Home / 3,290.08-4,933.28-1,340

Finding the Fourth Proportional to 3,290.08, 4,933.28 and 1,340

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Solution

The fourth proportional to 3,290.08, 4,933.28 and 1,340 is: 2,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.08 : 4,933.28 = 1,340 : x
  2. Step 2: Convert to fraction form
    3,290.08/4,933.28 = 1,340/x
  3. Step 3: Cross multiply
    3,290.08x = 4,933.28 × 1,340
  4. Step 4: Simplify right side
    3,290.08x = 6,610,595.20
  5. Step 5: Solve for x
    x = 6,610,595.20/3,290.08
  6. Step 6: Final answer
    x = 2,009.25

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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.