Home / 2,881.80-4,323.90-1,584.20

Finding the Fourth Proportional to 2,881.80, 4,323.90 and 1,584.20

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Solution

The fourth proportional to 2,881.80, 4,323.90 and 1,584.20 is: 2,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.80 : 4,323.90 = 1,584.20 : x
  2. Step 2: Convert to fraction form
    2,881.80/4,323.90 = 1,584.20/x
  3. Step 3: Cross multiply
    2,881.80x = 4,323.90 × 1,584.20
  4. Step 4: Simplify right side
    2,881.80x = 6,849,922.38
  5. Step 5: Solve for x
    x = 6,849,922.38/2,881.80
  6. Step 6: Final answer
    x = 2,376.96

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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.