Home / 3,191.13-4,765.18-2,607.28

Finding the Fourth Proportional to 3,191.13, 4,765.18 and 2,607.28

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Solution

The fourth proportional to 3,191.13, 4,765.18 and 2,607.28 is: 3,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.13 : 4,765.18 = 2,607.28 : x
  2. Step 2: Convert to fraction form
    3,191.13/4,765.18 = 2,607.28/x
  3. Step 3: Cross multiply
    3,191.13x = 4,765.18 × 2,607.28
  4. Step 4: Simplify right side
    3,191.13x = 12,424,158.51
  5. Step 5: Solve for x
    x = 12,424,158.51/3,191.13
  6. Step 6: Final answer
    x = 3,893.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.