Home / 3,686.66-5,089.32-2,361.12

Finding the Fourth Proportional to 3,686.66, 5,089.32 and 2,361.12

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Solution

The fourth proportional to 3,686.66, 5,089.32 and 2,361.12 is: 3,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.66 : 5,089.32 = 2,361.12 : x
  2. Step 2: Convert to fraction form
    3,686.66/5,089.32 = 2,361.12/x
  3. Step 3: Cross multiply
    3,686.66x = 5,089.32 × 2,361.12
  4. Step 4: Simplify right side
    3,686.66x = 12,016,495.24
  5. Step 5: Solve for x
    x = 12,016,495.24/3,686.66
  6. Step 6: Final answer
    x = 3,259.46

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1.5x scale

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.