Home / 2,889.59-4,341.31-1,851.60

Finding the Fourth Proportional to 2,889.59, 4,341.31 and 1,851.60

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Solution

The fourth proportional to 2,889.59, 4,341.31 and 1,851.60 is: 2,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.59 : 4,341.31 = 1,851.60 : x
  2. Step 2: Convert to fraction form
    2,889.59/4,341.31 = 1,851.60/x
  3. Step 3: Cross multiply
    2,889.59x = 4,341.31 × 1,851.60
  4. Step 4: Simplify right side
    2,889.59x = 8,038,369.60
  5. Step 5: Solve for x
    x = 8,038,369.60/2,889.59
  6. Step 6: Final answer
    x = 2,781.84

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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.