Home / 2,259.15-3,386.49-1,270.81

Finding the Fourth Proportional to 2,259.15, 3,386.49 and 1,270.81

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Solution

The fourth proportional to 2,259.15, 3,386.49 and 1,270.81 is: 1,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.15 : 3,386.49 = 1,270.81 : x
  2. Step 2: Convert to fraction form
    2,259.15/3,386.49 = 1,270.81/x
  3. Step 3: Cross multiply
    2,259.15x = 3,386.49 × 1,270.81
  4. Step 4: Simplify right side
    2,259.15x = 4,303,585.36
  5. Step 5: Solve for x
    x = 4,303,585.36/2,259.15
  6. Step 6: Final answer
    x = 1,904.96

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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.