Home / 3,977.62-5,968.90-2,312.53

Finding the Fourth Proportional to 3,977.62, 5,968.90 and 2,312.53

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Solution

The fourth proportional to 3,977.62, 5,968.90 and 2,312.53 is: 3,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.62 : 5,968.90 = 2,312.53 : x
  2. Step 2: Convert to fraction form
    3,977.62/5,968.90 = 2,312.53/x
  3. Step 3: Cross multiply
    3,977.62x = 5,968.90 × 2,312.53
  4. Step 4: Simplify right side
    3,977.62x = 13,803,271.51
  5. Step 5: Solve for x
    x = 13,803,271.51/3,977.62
  6. Step 6: Final answer
    x = 3,470.23

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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.