Home / 1,820.46-2,731.04-650.51

Finding the Fourth Proportional to 1,820.46, 2,731.04 and 650.51

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Solution

The fourth proportional to 1,820.46, 2,731.04 and 650.51 is: 975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.46 : 2,731.04 = 650.51 : x
  2. Step 2: Convert to fraction form
    1,820.46/2,731.04 = 650.51/x
  3. Step 3: Cross multiply
    1,820.46x = 2,731.04 × 650.51
  4. Step 4: Simplify right side
    1,820.46x = 1,776,568.83
  5. Step 5: Solve for x
    x = 1,776,568.83/1,820.46
  6. Step 6: Final answer
    x = 975.89

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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.