Home / 2,621.16-3,615.84-2,124.36

Finding the Fourth Proportional to 2,621.16, 3,615.84 and 2,124.36

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Solution

The fourth proportional to 2,621.16, 3,615.84 and 2,124.36 is: 2,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.16 : 3,615.84 = 2,124.36 : x
  2. Step 2: Convert to fraction form
    2,621.16/3,615.84 = 2,124.36/x
  3. Step 3: Cross multiply
    2,621.16x = 3,615.84 × 2,124.36
  4. Step 4: Simplify right side
    2,621.16x = 7,681,345.86
  5. Step 5: Solve for x
    x = 7,681,345.86/2,621.16
  6. Step 6: Final answer
    x = 2,930.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.