Home / 3,074.02-4,610.56-1,125.76

Finding the Fourth Proportional to 3,074.02, 4,610.56 and 1,125.76

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Solution

The fourth proportional to 3,074.02, 4,610.56 and 1,125.76 is: 1,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.02 : 4,610.56 = 1,125.76 : x
  2. Step 2: Convert to fraction form
    3,074.02/4,610.56 = 1,125.76/x
  3. Step 3: Cross multiply
    3,074.02x = 4,610.56 × 1,125.76
  4. Step 4: Simplify right side
    3,074.02x = 5,190,384.03
  5. Step 5: Solve for x
    x = 5,190,384.03/3,074.02
  6. Step 6: Final answer
    x = 1,688.47

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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.