Home / 2,076.02-3,113.58-614.68

Finding the Fourth Proportional to 2,076.02, 3,113.58 and 614.68

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Solution

The fourth proportional to 2,076.02, 3,113.58 and 614.68 is: 921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.02 : 3,113.58 = 614.68 : x
  2. Step 2: Convert to fraction form
    2,076.02/3,113.58 = 614.68/x
  3. Step 3: Cross multiply
    2,076.02x = 3,113.58 × 614.68
  4. Step 4: Simplify right side
    2,076.02x = 1,913,855.35
  5. Step 5: Solve for x
    x = 1,913,855.35/2,076.02
  6. Step 6: Final answer
    x = 921.89

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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.