Home / 3,051.65-4,209.90-1,872.29

Finding the Fourth Proportional to 3,051.65, 4,209.90 and 1,872.29

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Solution

The fourth proportional to 3,051.65, 4,209.90 and 1,872.29 is: 2,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.65 : 4,209.90 = 1,872.29 : x
  2. Step 2: Convert to fraction form
    3,051.65/4,209.90 = 1,872.29/x
  3. Step 3: Cross multiply
    3,051.65x = 4,209.90 × 1,872.29
  4. Step 4: Simplify right side
    3,051.65x = 7,882,153.67
  5. Step 5: Solve for x
    x = 7,882,153.67/3,051.65
  6. Step 6: Final answer
    x = 2,582.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.