Home / 3,903.23-5,393.30-3,070.55

Finding the Fourth Proportional to 3,903.23, 5,393.30 and 3,070.55

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Solution

The fourth proportional to 3,903.23, 5,393.30 and 3,070.55 is: 4,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.23 : 5,393.30 = 3,070.55 : x
  2. Step 2: Convert to fraction form
    3,903.23/5,393.30 = 3,070.55/x
  3. Step 3: Cross multiply
    3,903.23x = 5,393.30 × 3,070.55
  4. Step 4: Simplify right side
    3,903.23x = 16,560,355.00
  5. Step 5: Solve for x
    x = 16,560,355.00/3,903.23
  6. Step 6: Final answer
    x = 4,242.74

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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.