Home / 3,110.15-4,292.50-1,851.26

Finding the Fourth Proportional to 3,110.15, 4,292.50 and 1,851.26

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Solution

The fourth proportional to 3,110.15, 4,292.50 and 1,851.26 is: 2,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.15 : 4,292.50 = 1,851.26 : x
  2. Step 2: Convert to fraction form
    3,110.15/4,292.50 = 1,851.26/x
  3. Step 3: Cross multiply
    3,110.15x = 4,292.50 × 1,851.26
  4. Step 4: Simplify right side
    3,110.15x = 7,946,533.55
  5. Step 5: Solve for x
    x = 7,946,533.55/3,110.15
  6. Step 6: Final answer
    x = 2,555.03

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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.