Home / 3,461.86-4,777.28-2,117.03

Finding the Fourth Proportional to 3,461.86, 4,777.28 and 2,117.03

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Solution

The fourth proportional to 3,461.86, 4,777.28 and 2,117.03 is: 2,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.86 : 4,777.28 = 2,117.03 : x
  2. Step 2: Convert to fraction form
    3,461.86/4,777.28 = 2,117.03/x
  3. Step 3: Cross multiply
    3,461.86x = 4,777.28 × 2,117.03
  4. Step 4: Simplify right side
    3,461.86x = 10,113,618.55
  5. Step 5: Solve for x
    x = 10,113,618.55/3,461.86
  6. Step 6: Final answer
    x = 2,921.44

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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.