Home / 1,767.34-2,438.23-1,021.16

Finding the Fourth Proportional to 1,767.34, 2,438.23 and 1,021.16

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Solution

The fourth proportional to 1,767.34, 2,438.23 and 1,021.16 is: 1,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.34 : 2,438.23 = 1,021.16 : x
  2. Step 2: Convert to fraction form
    1,767.34/2,438.23 = 1,021.16/x
  3. Step 3: Cross multiply
    1,767.34x = 2,438.23 × 1,021.16
  4. Step 4: Simplify right side
    1,767.34x = 2,489,823.83
  5. Step 5: Solve for x
    x = 2,489,823.83/1,767.34
  6. Step 6: Final answer
    x = 1,408.80

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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.