Home / 3,020.08-4,538.67-1,787.71

Finding the Fourth Proportional to 3,020.08, 4,538.67 and 1,787.71

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Solution

The fourth proportional to 3,020.08, 4,538.67 and 1,787.71 is: 2,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.08 : 4,538.67 = 1,787.71 : x
  2. Step 2: Convert to fraction form
    3,020.08/4,538.67 = 1,787.71/x
  3. Step 3: Cross multiply
    3,020.08x = 4,538.67 × 1,787.71
  4. Step 4: Simplify right side
    3,020.08x = 8,113,825.75
  5. Step 5: Solve for x
    x = 8,113,825.75/3,020.08
  6. Step 6: Final answer
    x = 2,686.63

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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.