Home / 2,803.86-4,205.79-1,158.60

Finding the Fourth Proportional to 2,803.86, 4,205.79 and 1,158.60

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Solution

The fourth proportional to 2,803.86, 4,205.79 and 1,158.60 is: 1,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.86 : 4,205.79 = 1,158.60 : x
  2. Step 2: Convert to fraction form
    2,803.86/4,205.79 = 1,158.60/x
  3. Step 3: Cross multiply
    2,803.86x = 4,205.79 × 1,158.60
  4. Step 4: Simplify right side
    2,803.86x = 4,872,828.29
  5. Step 5: Solve for x
    x = 4,872,828.29/2,803.86
  6. Step 6: Final answer
    x = 1,737.90

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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.