Home / 1,767.93-2,440.04-1,021.76

Finding the Fourth Proportional to 1,767.93, 2,440.04 and 1,021.76

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Solution

The fourth proportional to 1,767.93, 2,440.04 and 1,021.76 is: 1,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.93 : 2,440.04 = 1,021.76 : x
  2. Step 2: Convert to fraction form
    1,767.93/2,440.04 = 1,021.76/x
  3. Step 3: Cross multiply
    1,767.93x = 2,440.04 × 1,021.76
  4. Step 4: Simplify right side
    1,767.93x = 2,493,135.27
  5. Step 5: Solve for x
    x = 2,493,135.27/1,767.93
  6. Step 6: Final answer
    x = 1,410.20

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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.