Home / 2,412.19-3,613.73-1,889.74

Finding the Fourth Proportional to 2,412.19, 3,613.73 and 1,889.74

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Solution

The fourth proportional to 2,412.19, 3,613.73 and 1,889.74 is: 2,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.19 : 3,613.73 = 1,889.74 : x
  2. Step 2: Convert to fraction form
    2,412.19/3,613.73 = 1,889.74/x
  3. Step 3: Cross multiply
    2,412.19x = 3,613.73 × 1,889.74
  4. Step 4: Simplify right side
    2,412.19x = 6,828,991.65
  5. Step 5: Solve for x
    x = 6,828,991.65/2,412.19
  6. Step 6: Final answer
    x = 2,831.04

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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.