Home / 3,113.61-4,297.65-1,854.27

Finding the Fourth Proportional to 3,113.61, 4,297.65 and 1,854.27

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Solution

The fourth proportional to 3,113.61, 4,297.65 and 1,854.27 is: 2,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.61 : 4,297.65 = 1,854.27 : x
  2. Step 2: Convert to fraction form
    3,113.61/4,297.65 = 1,854.27/x
  3. Step 3: Cross multiply
    3,113.61x = 4,297.65 × 1,854.27
  4. Step 4: Simplify right side
    3,113.61x = 7,969,003.47
  5. Step 5: Solve for x
    x = 7,969,003.47/3,113.61
  6. Step 6: Final answer
    x = 2,559.41

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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.