Home / 2,785.08-4,176.26-1,053.84

Finding the Fourth Proportional to 2,785.08, 4,176.26 and 1,053.84

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Solution

The fourth proportional to 2,785.08, 4,176.26 and 1,053.84 is: 1,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.08 : 4,176.26 = 1,053.84 : x
  2. Step 2: Convert to fraction form
    2,785.08/4,176.26 = 1,053.84/x
  3. Step 3: Cross multiply
    2,785.08x = 4,176.26 × 1,053.84
  4. Step 4: Simplify right side
    2,785.08x = 4,401,109.84
  5. Step 5: Solve for x
    x = 4,401,109.84/2,785.08
  6. Step 6: Final answer
    x = 1,580.25

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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.