Home / 1,666.97-2,300.60-1,246.58

Finding the Fourth Proportional to 1,666.97, 2,300.60 and 1,246.58

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Solution

The fourth proportional to 1,666.97, 2,300.60 and 1,246.58 is: 1,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.97 : 2,300.60 = 1,246.58 : x
  2. Step 2: Convert to fraction form
    1,666.97/2,300.60 = 1,246.58/x
  3. Step 3: Cross multiply
    1,666.97x = 2,300.60 × 1,246.58
  4. Step 4: Simplify right side
    1,666.97x = 2,867,864.21
  5. Step 5: Solve for x
    x = 2,867,864.21/1,666.97
  6. Step 6: Final answer
    x = 1,720.41

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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.