Home / 3,719.22-5,574.91-1,253.18

Finding the Fourth Proportional to 3,719.22, 5,574.91 and 1,253.18

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Solution

The fourth proportional to 3,719.22, 5,574.91 and 1,253.18 is: 1,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.22 : 5,574.91 = 1,253.18 : x
  2. Step 2: Convert to fraction form
    3,719.22/5,574.91 = 1,253.18/x
  3. Step 3: Cross multiply
    3,719.22x = 5,574.91 × 1,253.18
  4. Step 4: Simplify right side
    3,719.22x = 6,986,365.71
  5. Step 5: Solve for x
    x = 6,986,365.71/3,719.22
  6. Step 6: Final answer
    x = 1,878.45

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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.