Home / 2,376.63-3,280.03-1,977.59

Finding the Fourth Proportional to 2,376.63, 3,280.03 and 1,977.59

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Solution

The fourth proportional to 2,376.63, 3,280.03 and 1,977.59 is: 2,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.63 : 3,280.03 = 1,977.59 : x
  2. Step 2: Convert to fraction form
    2,376.63/3,280.03 = 1,977.59/x
  3. Step 3: Cross multiply
    2,376.63x = 3,280.03 × 1,977.59
  4. Step 4: Simplify right side
    2,376.63x = 6,486,554.53
  5. Step 5: Solve for x
    x = 6,486,554.53/2,376.63
  6. Step 6: Final answer
    x = 2,729.31

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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.