Home / 3,968.51-5,477.61-2,475.53

Finding the Fourth Proportional to 3,968.51, 5,477.61 and 2,475.53

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Solution

The fourth proportional to 3,968.51, 5,477.61 and 2,475.53 is: 3,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.51 : 5,477.61 = 2,475.53 : x
  2. Step 2: Convert to fraction form
    3,968.51/5,477.61 = 2,475.53/x
  3. Step 3: Cross multiply
    3,968.51x = 5,477.61 × 2,475.53
  4. Step 4: Simplify right side
    3,968.51x = 13,559,990.32
  5. Step 5: Solve for x
    x = 13,559,990.32/3,968.51
  6. Step 6: Final answer
    x = 3,416.90

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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.