Home / 3,320.22-4,977.08-1,127.49

Finding the Fourth Proportional to 3,320.22, 4,977.08 and 1,127.49

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Solution

The fourth proportional to 3,320.22, 4,977.08 and 1,127.49 is: 1,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.22 : 4,977.08 = 1,127.49 : x
  2. Step 2: Convert to fraction form
    3,320.22/4,977.08 = 1,127.49/x
  3. Step 3: Cross multiply
    3,320.22x = 4,977.08 × 1,127.49
  4. Step 4: Simplify right side
    3,320.22x = 5,611,602.29
  5. Step 5: Solve for x
    x = 5,611,602.29/3,320.22
  6. Step 6: Final answer
    x = 1,690.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.