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Finding the Fourth Proportional to 2,460.79, 3,395.79 and 1,341.78

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Solution

The fourth proportional to 2,460.79, 3,395.79 and 1,341.78 is: 1,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.79 : 3,395.79 = 1,341.78 : x
  2. Step 2: Convert to fraction form
    2,460.79/3,395.79 = 1,341.78/x
  3. Step 3: Cross multiply
    2,460.79x = 3,395.79 × 1,341.78
  4. Step 4: Simplify right side
    2,460.79x = 4,556,403.11
  5. Step 5: Solve for x
    x = 4,556,403.11/2,460.79
  6. Step 6: Final answer
    x = 1,851.60

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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.