Home / 1,767.14-2,438.76-1,021.13

Finding the Fourth Proportional to 1,767.14, 2,438.76 and 1,021.13

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Solution

The fourth proportional to 1,767.14, 2,438.76 and 1,021.13 is: 1,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.14 : 2,438.76 = 1,021.13 : x
  2. Step 2: Convert to fraction form
    1,767.14/2,438.76 = 1,021.13/x
  3. Step 3: Cross multiply
    1,767.14x = 2,438.76 × 1,021.13
  4. Step 4: Simplify right side
    1,767.14x = 2,490,291.00
  5. Step 5: Solve for x
    x = 2,490,291.00/1,767.14
  6. Step 6: Final answer
    x = 1,409.22

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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.