Home / 2,925.26-4,389.38-1,281.82

Finding the Fourth Proportional to 2,925.26, 4,389.38 and 1,281.82

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Solution

The fourth proportional to 2,925.26, 4,389.38 and 1,281.82 is: 1,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.26 : 4,389.38 = 1,281.82 : x
  2. Step 2: Convert to fraction form
    2,925.26/4,389.38 = 1,281.82/x
  3. Step 3: Cross multiply
    2,925.26x = 4,389.38 × 1,281.82
  4. Step 4: Simplify right side
    2,925.26x = 5,626,395.07
  5. Step 5: Solve for x
    x = 5,626,395.07/2,925.26
  6. Step 6: Final answer
    x = 1,923.38

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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.