Home / 2,709.27-4,058.70-1,666.20

Finding the Fourth Proportional to 2,709.27, 4,058.70 and 1,666.20

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Solution

The fourth proportional to 2,709.27, 4,058.70 and 1,666.20 is: 2,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.27 : 4,058.70 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    2,709.27/4,058.70 = 1,666.20/x
  3. Step 3: Cross multiply
    2,709.27x = 4,058.70 × 1,666.20
  4. Step 4: Simplify right side
    2,709.27x = 6,762,605.94
  5. Step 5: Solve for x
    x = 6,762,605.94/2,709.27
  6. Step 6: Final answer
    x = 2,496.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.