Home / 2,936.99-4,384.16-2,720.18

Finding the Fourth Proportional to 2,936.99, 4,384.16 and 2,720.18

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Solution

The fourth proportional to 2,936.99, 4,384.16 and 2,720.18 is: 4,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.99 : 4,384.16 = 2,720.18 : x
  2. Step 2: Convert to fraction form
    2,936.99/4,384.16 = 2,720.18/x
  3. Step 3: Cross multiply
    2,936.99x = 4,384.16 × 2,720.18
  4. Step 4: Simplify right side
    2,936.99x = 11,925,668.83
  5. Step 5: Solve for x
    x = 11,925,668.83/2,936.99
  6. Step 6: Final answer
    x = 4,060.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.