Home / 2,357.41-3,253.32-1,309.47

Finding the Fourth Proportional to 2,357.41, 3,253.32 and 1,309.47

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Solution

The fourth proportional to 2,357.41, 3,253.32 and 1,309.47 is: 1,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.41 : 3,253.32 = 1,309.47 : x
  2. Step 2: Convert to fraction form
    2,357.41/3,253.32 = 1,309.47/x
  3. Step 3: Cross multiply
    2,357.41x = 3,253.32 × 1,309.47
  4. Step 4: Simplify right side
    2,357.41x = 4,260,128.21
  5. Step 5: Solve for x
    x = 4,260,128.21/2,357.41
  6. Step 6: Final answer
    x = 1,807.12

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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.