Home / 2,626.53-3,941.46-1,239.91

Finding the Fourth Proportional to 2,626.53, 3,941.46 and 1,239.91

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Solution

The fourth proportional to 2,626.53, 3,941.46 and 1,239.91 is: 1,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.53 : 3,941.46 = 1,239.91 : x
  2. Step 2: Convert to fraction form
    2,626.53/3,941.46 = 1,239.91/x
  3. Step 3: Cross multiply
    2,626.53x = 3,941.46 × 1,239.91
  4. Step 4: Simplify right side
    2,626.53x = 4,887,045.81
  5. Step 5: Solve for x
    x = 4,887,045.81/2,626.53
  6. Step 6: Final answer
    x = 1,860.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.