Home / 2,566.36-3,541.56-1,387.43

Finding the Fourth Proportional to 2,566.36, 3,541.56 and 1,387.43

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Solution

The fourth proportional to 2,566.36, 3,541.56 and 1,387.43 is: 1,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.36 : 3,541.56 = 1,387.43 : x
  2. Step 2: Convert to fraction form
    2,566.36/3,541.56 = 1,387.43/x
  3. Step 3: Cross multiply
    2,566.36x = 3,541.56 × 1,387.43
  4. Step 4: Simplify right side
    2,566.36x = 4,913,652.35
  5. Step 5: Solve for x
    x = 4,913,652.35/2,566.36
  6. Step 6: Final answer
    x = 1,914.64

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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.