Home / 2,068.86-2,855.05-1,124.66

Finding the Fourth Proportional to 2,068.86, 2,855.05 and 1,124.66

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Solution

The fourth proportional to 2,068.86, 2,855.05 and 1,124.66 is: 1,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.86 : 2,855.05 = 1,124.66 : x
  2. Step 2: Convert to fraction form
    2,068.86/2,855.05 = 1,124.66/x
  3. Step 3: Cross multiply
    2,068.86x = 2,855.05 × 1,124.66
  4. Step 4: Simplify right side
    2,068.86x = 3,210,960.53
  5. Step 5: Solve for x
    x = 3,210,960.53/2,068.86
  6. Step 6: Final answer
    x = 1,552.04

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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.