Home / 1,889.15-2,847.71-1,566.56

Finding the Fourth Proportional to 1,889.15, 2,847.71 and 1,566.56

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Solution

The fourth proportional to 1,889.15, 2,847.71 and 1,566.56 is: 2,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.15 : 2,847.71 = 1,566.56 : x
  2. Step 2: Convert to fraction form
    1,889.15/2,847.71 = 1,566.56/x
  3. Step 3: Cross multiply
    1,889.15x = 2,847.71 × 1,566.56
  4. Step 4: Simplify right side
    1,889.15x = 4,461,119.61
  5. Step 5: Solve for x
    x = 4,461,119.61/1,889.15
  6. Step 6: Final answer
    x = 2,361.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.