Home / 3,319.91-4,581.01-1,975.13

Finding the Fourth Proportional to 3,319.91, 4,581.01 and 1,975.13

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Solution

The fourth proportional to 3,319.91, 4,581.01 and 1,975.13 is: 2,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.91 : 4,581.01 = 1,975.13 : x
  2. Step 2: Convert to fraction form
    3,319.91/4,581.01 = 1,975.13/x
  3. Step 3: Cross multiply
    3,319.91x = 4,581.01 × 1,975.13
  4. Step 4: Simplify right side
    3,319.91x = 9,048,101.68
  5. Step 5: Solve for x
    x = 9,048,101.68/3,319.91
  6. Step 6: Final answer
    x = 2,725.40

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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.