Home / 2,807.60-3,874.50-1,629.36

Finding the Fourth Proportional to 2,807.60, 3,874.50 and 1,629.36

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Solution

The fourth proportional to 2,807.60, 3,874.50 and 1,629.36 is: 2,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.60 : 3,874.50 = 1,629.36 : x
  2. Step 2: Convert to fraction form
    2,807.60/3,874.50 = 1,629.36/x
  3. Step 3: Cross multiply
    2,807.60x = 3,874.50 × 1,629.36
  4. Step 4: Simplify right side
    2,807.60x = 6,312,955.32
  5. Step 5: Solve for x
    x = 6,312,955.32/2,807.60
  6. Step 6: Final answer
    x = 2,248.52

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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.