Home / 2,051.32-2,830.88-1,119.84

Finding the Fourth Proportional to 2,051.32, 2,830.88 and 1,119.84

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Solution

The fourth proportional to 2,051.32, 2,830.88 and 1,119.84 is: 1,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.32 : 2,830.88 = 1,119.84 : x
  2. Step 2: Convert to fraction form
    2,051.32/2,830.88 = 1,119.84/x
  3. Step 3: Cross multiply
    2,051.32x = 2,830.88 × 1,119.84
  4. Step 4: Simplify right side
    2,051.32x = 3,170,132.66
  5. Step 5: Solve for x
    x = 3,170,132.66/2,051.32
  6. Step 6: Final answer
    x = 1,545.41

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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.