Home / 2,359.62-3,256.23-1,311.66

Finding the Fourth Proportional to 2,359.62, 3,256.23 and 1,311.66

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Solution

The fourth proportional to 2,359.62, 3,256.23 and 1,311.66 is: 1,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.62 : 3,256.23 = 1,311.66 : x
  2. Step 2: Convert to fraction form
    2,359.62/3,256.23 = 1,311.66/x
  3. Step 3: Cross multiply
    2,359.62x = 3,256.23 × 1,311.66
  4. Step 4: Simplify right side
    2,359.62x = 4,271,066.64
  5. Step 5: Solve for x
    x = 4,271,066.64/2,359.62
  6. Step 6: Final answer
    x = 1,810.07

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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.