Home / 2,303.94-3,179.45-1,309.55

Finding the Fourth Proportional to 2,303.94, 3,179.45 and 1,309.55

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Solution

The fourth proportional to 2,303.94, 3,179.45 and 1,309.55 is: 1,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.94 : 3,179.45 = 1,309.55 : x
  2. Step 2: Convert to fraction form
    2,303.94/3,179.45 = 1,309.55/x
  3. Step 3: Cross multiply
    2,303.94x = 3,179.45 × 1,309.55
  4. Step 4: Simplify right side
    2,303.94x = 4,163,642.20
  5. Step 5: Solve for x
    x = 4,163,642.20/2,303.94
  6. Step 6: Final answer
    x = 1,807.18

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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.