Home / 2,992.41-4,129.65-1,666.13

Finding the Fourth Proportional to 2,992.41, 4,129.65 and 1,666.13

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Solution

The fourth proportional to 2,992.41, 4,129.65 and 1,666.13 is: 2,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.41 : 4,129.65 = 1,666.13 : x
  2. Step 2: Convert to fraction form
    2,992.41/4,129.65 = 1,666.13/x
  3. Step 3: Cross multiply
    2,992.41x = 4,129.65 × 1,666.13
  4. Step 4: Simplify right side
    2,992.41x = 6,880,513.11
  5. Step 5: Solve for x
    x = 6,880,513.11/2,992.41
  6. Step 6: Final answer
    x = 2,299.32

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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.