Home / 3,070.02-4,604.56-1,121.77

Finding the Fourth Proportional to 3,070.02, 4,604.56 and 1,121.77

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Solution

The fourth proportional to 3,070.02, 4,604.56 and 1,121.77 is: 1,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.02 : 4,604.56 = 1,121.77 : x
  2. Step 2: Convert to fraction form
    3,070.02/4,604.56 = 1,121.77/x
  3. Step 3: Cross multiply
    3,070.02x = 4,604.56 × 1,121.77
  4. Step 4: Simplify right side
    3,070.02x = 5,165,240.63
  5. Step 5: Solve for x
    x = 5,165,240.63/3,070.02
  6. Step 6: Final answer
    x = 1,682.48

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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.