Home / 2,774.35-4,158.48-1,130.05

Finding the Fourth Proportional to 2,774.35, 4,158.48 and 1,130.05

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Solution

The fourth proportional to 2,774.35, 4,158.48 and 1,130.05 is: 1,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.35 : 4,158.48 = 1,130.05 : x
  2. Step 2: Convert to fraction form
    2,774.35/4,158.48 = 1,130.05/x
  3. Step 3: Cross multiply
    2,774.35x = 4,158.48 × 1,130.05
  4. Step 4: Simplify right side
    2,774.35x = 4,699,269.53
  5. Step 5: Solve for x
    x = 4,699,269.53/2,774.35
  6. Step 6: Final answer
    x = 1,693.83

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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.