Home / 3,290.06-4,931.58-1,442.18

Finding the Fourth Proportional to 3,290.06, 4,931.58 and 1,442.18

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Solution

The fourth proportional to 3,290.06, 4,931.58 and 1,442.18 is: 2,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.06 : 4,931.58 = 1,442.18 : x
  2. Step 2: Convert to fraction form
    3,290.06/4,931.58 = 1,442.18/x
  3. Step 3: Cross multiply
    3,290.06x = 4,931.58 × 1,442.18
  4. Step 4: Simplify right side
    3,290.06x = 7,112,226.04
  5. Step 5: Solve for x
    x = 7,112,226.04/3,290.06
  6. Step 6: Final answer
    x = 2,161.73

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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.