Home / 1,820.81-2,729.93-895.38

Finding the Fourth Proportional to 1,820.81, 2,729.93 and 895.38

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Solution

The fourth proportional to 1,820.81, 2,729.93 and 895.38 is: 1,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.81 : 2,729.93 = 895.38 : x
  2. Step 2: Convert to fraction form
    1,820.81/2,729.93 = 895.38/x
  3. Step 3: Cross multiply
    1,820.81x = 2,729.93 × 895.38
  4. Step 4: Simplify right side
    1,820.81x = 2,444,320.25
  5. Step 5: Solve for x
    x = 2,444,320.25/1,820.81
  6. Step 6: Final answer
    x = 1,342.44

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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.