Home / 2,079.06-3,119.51-983.13

Finding the Fourth Proportional to 2,079.06, 3,119.51 and 983.13

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Solution

The fourth proportional to 2,079.06, 3,119.51 and 983.13 is: 1,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.06 : 3,119.51 = 983.13 : x
  2. Step 2: Convert to fraction form
    2,079.06/3,119.51 = 983.13/x
  3. Step 3: Cross multiply
    2,079.06x = 3,119.51 × 983.13
  4. Step 4: Simplify right side
    2,079.06x = 3,066,878.95
  5. Step 5: Solve for x
    x = 3,066,878.95/2,079.06
  6. Step 6: Final answer
    x = 1,475.13

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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.