Home / 2,357.81-3,254.06-1,310.07

Finding the Fourth Proportional to 2,357.81, 3,254.06 and 1,310.07

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Solution

The fourth proportional to 2,357.81, 3,254.06 and 1,310.07 is: 1,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.81 : 3,254.06 = 1,310.07 : x
  2. Step 2: Convert to fraction form
    2,357.81/3,254.06 = 1,310.07/x
  3. Step 3: Cross multiply
    2,357.81x = 3,254.06 × 1,310.07
  4. Step 4: Simplify right side
    2,357.81x = 4,263,049.66
  5. Step 5: Solve for x
    x = 4,263,049.66/2,357.81
  6. Step 6: Final answer
    x = 1,808.06

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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.