Home / 2,344.79-3,515.62-1,291.10

Finding the Fourth Proportional to 2,344.79, 3,515.62 and 1,291.10

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Solution

The fourth proportional to 2,344.79, 3,515.62 and 1,291.10 is: 1,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.79 : 3,515.62 = 1,291.10 : x
  2. Step 2: Convert to fraction form
    2,344.79/3,515.62 = 1,291.10/x
  3. Step 3: Cross multiply
    2,344.79x = 3,515.62 × 1,291.10
  4. Step 4: Simplify right side
    2,344.79x = 4,539,006.36
  5. Step 5: Solve for x
    x = 4,539,006.36/2,344.79
  6. Step 6: Final answer
    x = 1,935.79

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1.5x scale

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.