Home / 1,767.08-2,438.28-1,021.10

Finding the Fourth Proportional to 1,767.08, 2,438.28 and 1,021.10

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Solution

The fourth proportional to 1,767.08, 2,438.28 and 1,021.10 is: 1,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.08 : 2,438.28 = 1,021.10 : x
  2. Step 2: Convert to fraction form
    1,767.08/2,438.28 = 1,021.10/x
  3. Step 3: Cross multiply
    1,767.08x = 2,438.28 × 1,021.10
  4. Step 4: Simplify right side
    1,767.08x = 2,489,727.71
  5. Step 5: Solve for x
    x = 2,489,727.71/1,767.08
  6. Step 6: Final answer
    x = 1,408.95

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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.