Home / 2,629.40-3,626.30-1,875.74

Finding the Fourth Proportional to 2,629.40, 3,626.30 and 1,875.74

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Solution

The fourth proportional to 2,629.40, 3,626.30 and 1,875.74 is: 2,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.40 : 3,626.30 = 1,875.74 : x
  2. Step 2: Convert to fraction form
    2,629.40/3,626.30 = 1,875.74/x
  3. Step 3: Cross multiply
    2,629.40x = 3,626.30 × 1,875.74
  4. Step 4: Simplify right side
    2,629.40x = 6,801,995.96
  5. Step 5: Solve for x
    x = 6,801,995.96/2,629.40
  6. Step 6: Final answer
    x = 2,586.90

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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.