Home / 3,110.61-4,292.60-1,851.64

Finding the Fourth Proportional to 3,110.61, 4,292.60 and 1,851.64

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Solution

The fourth proportional to 3,110.61, 4,292.60 and 1,851.64 is: 2,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.61 : 4,292.60 = 1,851.64 : x
  2. Step 2: Convert to fraction form
    3,110.61/4,292.60 = 1,851.64/x
  3. Step 3: Cross multiply
    3,110.61x = 4,292.60 × 1,851.64
  4. Step 4: Simplify right side
    3,110.61x = 7,948,349.86
  5. Step 5: Solve for x
    x = 7,948,349.86/3,110.61
  6. Step 6: Final answer
    x = 2,555.24

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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.