Home / 2,461.31-3,395.75-1,577.60

Finding the Fourth Proportional to 2,461.31, 3,395.75 and 1,577.60

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Solution

The fourth proportional to 2,461.31, 3,395.75 and 1,577.60 is: 2,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.31 : 3,395.75 = 1,577.60 : x
  2. Step 2: Convert to fraction form
    2,461.31/3,395.75 = 1,577.60/x
  3. Step 3: Cross multiply
    2,461.31x = 3,395.75 × 1,577.60
  4. Step 4: Simplify right side
    2,461.31x = 5,357,135.20
  5. Step 5: Solve for x
    x = 5,357,135.20/2,461.31
  6. Step 6: Final answer
    x = 2,176.54

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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.