Home / 2,981.27-4,119.09-2,356.59

Finding the Fourth Proportional to 2,981.27, 4,119.09 and 2,356.59

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Solution

The fourth proportional to 2,981.27, 4,119.09 and 2,356.59 is: 3,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.27 : 4,119.09 = 2,356.59 : x
  2. Step 2: Convert to fraction form
    2,981.27/4,119.09 = 2,356.59/x
  3. Step 3: Cross multiply
    2,981.27x = 4,119.09 × 2,356.59
  4. Step 4: Simplify right side
    2,981.27x = 9,707,006.30
  5. Step 5: Solve for x
    x = 9,707,006.30/2,981.27
  6. Step 6: Final answer
    x = 3,256.00

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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.