Home / 2,318.99-3,476.93-1,279.49

Finding the Fourth Proportional to 2,318.99, 3,476.93 and 1,279.49

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Solution

The fourth proportional to 2,318.99, 3,476.93 and 1,279.49 is: 1,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.99 : 3,476.93 = 1,279.49 : x
  2. Step 2: Convert to fraction form
    2,318.99/3,476.93 = 1,279.49/x
  3. Step 3: Cross multiply
    2,318.99x = 3,476.93 × 1,279.49
  4. Step 4: Simplify right side
    2,318.99x = 4,448,697.17
  5. Step 5: Solve for x
    x = 4,448,697.17/2,318.99
  6. Step 6: Final answer
    x = 1,918.38

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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.