Home / 3,110.52-4,293.01-1,851.63

Finding the Fourth Proportional to 3,110.52, 4,293.01 and 1,851.63

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Solution

The fourth proportional to 3,110.52, 4,293.01 and 1,851.63 is: 2,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.52 : 4,293.01 = 1,851.63 : x
  2. Step 2: Convert to fraction form
    3,110.52/4,293.01 = 1,851.63/x
  3. Step 3: Cross multiply
    3,110.52x = 4,293.01 × 1,851.63
  4. Step 4: Simplify right side
    3,110.52x = 7,949,066.11
  5. Step 5: Solve for x
    x = 7,949,066.11/3,110.52
  6. Step 6: Final answer
    x = 2,555.54

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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.