Home / 2,992.82-4,130.25-1,666.74

Finding the Fourth Proportional to 2,992.82, 4,130.25 and 1,666.74

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Solution

The fourth proportional to 2,992.82, 4,130.25 and 1,666.74 is: 2,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.82 : 4,130.25 = 1,666.74 : x
  2. Step 2: Convert to fraction form
    2,992.82/4,130.25 = 1,666.74/x
  3. Step 3: Cross multiply
    2,992.82x = 4,130.25 × 1,666.74
  4. Step 4: Simplify right side
    2,992.82x = 6,884,052.89
  5. Step 5: Solve for x
    x = 6,884,052.89/2,992.82
  6. Step 6: Final answer
    x = 2,300.19

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1.5x scale

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.