Home / 1,785.31-2,464.50-1,343.32

Finding the Fourth Proportional to 1,785.31, 2,464.50 and 1,343.32

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Solution

The fourth proportional to 1,785.31, 2,464.50 and 1,343.32 is: 1,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.31 : 2,464.50 = 1,343.32 : x
  2. Step 2: Convert to fraction form
    1,785.31/2,464.50 = 1,343.32/x
  3. Step 3: Cross multiply
    1,785.31x = 2,464.50 × 1,343.32
  4. Step 4: Simplify right side
    1,785.31x = 3,310,612.14
  5. Step 5: Solve for x
    x = 3,310,612.14/1,785.31
  6. Step 6: Final answer
    x = 1,854.36

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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.