Home / 4,398.41-6,588.79-2,055.20

Finding the Fourth Proportional to 4,398.41, 6,588.79 and 2,055.20

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Solution

The fourth proportional to 4,398.41, 6,588.79 and 2,055.20 is: 3,078.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.41 : 6,588.79 = 2,055.20 : x
  2. Step 2: Convert to fraction form
    4,398.41/6,588.79 = 2,055.20/x
  3. Step 3: Cross multiply
    4,398.41x = 6,588.79 × 2,055.20
  4. Step 4: Simplify right side
    4,398.41x = 13,541,243.13
  5. Step 5: Solve for x
    x = 13,541,243.13/4,398.41
  6. Step 6: Final answer
    x = 3,078.67

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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.