Home / 2,774.41-4,158.65-1,385.01

Finding the Fourth Proportional to 2,774.41, 4,158.65 and 1,385.01

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Solution

The fourth proportional to 2,774.41, 4,158.65 and 1,385.01 is: 2,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.41 : 4,158.65 = 1,385.01 : x
  2. Step 2: Convert to fraction form
    2,774.41/4,158.65 = 1,385.01/x
  3. Step 3: Cross multiply
    2,774.41x = 4,158.65 × 1,385.01
  4. Step 4: Simplify right side
    2,774.41x = 5,759,771.84
  5. Step 5: Solve for x
    x = 5,759,771.84/2,774.41
  6. Step 6: Final answer
    x = 2,076.03

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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.