Home / 2,359.49-3,256.08-1,311.54

Finding the Fourth Proportional to 2,359.49, 3,256.08 and 1,311.54

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Solution

The fourth proportional to 2,359.49, 3,256.08 and 1,311.54 is: 1,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.49 : 3,256.08 = 1,311.54 : x
  2. Step 2: Convert to fraction form
    2,359.49/3,256.08 = 1,311.54/x
  3. Step 3: Cross multiply
    2,359.49x = 3,256.08 × 1,311.54
  4. Step 4: Simplify right side
    2,359.49x = 4,270,479.16
  5. Step 5: Solve for x
    x = 4,270,479.16/2,359.49
  6. Step 6: Final answer
    x = 1,809.92

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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.