Home / 2,774.40-4,156.32-1,476.48

Finding the Fourth Proportional to 2,774.40, 4,156.32 and 1,476.48

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Solution

The fourth proportional to 2,774.40, 4,156.32 and 1,476.48 is: 2,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.40 : 4,156.32 = 1,476.48 : x
  2. Step 2: Convert to fraction form
    2,774.40/4,156.32 = 1,476.48/x
  3. Step 3: Cross multiply
    2,774.40x = 4,156.32 × 1,476.48
  4. Step 4: Simplify right side
    2,774.40x = 6,136,723.35
  5. Step 5: Solve for x
    x = 6,136,723.35/2,774.40
  6. Step 6: Final answer
    x = 2,211.91

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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.