Home / 1,666.98-2,301.62-1,355.94

Finding the Fourth Proportional to 1,666.98, 2,301.62 and 1,355.94

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Solution

The fourth proportional to 1,666.98, 2,301.62 and 1,355.94 is: 1,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.98 : 2,301.62 = 1,355.94 : x
  2. Step 2: Convert to fraction form
    1,666.98/2,301.62 = 1,355.94/x
  3. Step 3: Cross multiply
    1,666.98x = 2,301.62 × 1,355.94
  4. Step 4: Simplify right side
    1,666.98x = 3,120,851.84
  5. Step 5: Solve for x
    x = 3,120,851.84/1,666.98
  6. Step 6: Final answer
    x = 1,872.16

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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.