Home / 1,628.02-2,244.90-1,155.79

Finding the Fourth Proportional to 1,628.02, 2,244.90 and 1,155.79

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Solution

The fourth proportional to 1,628.02, 2,244.90 and 1,155.79 is: 1,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.02 : 2,244.90 = 1,155.79 : x
  2. Step 2: Convert to fraction form
    1,628.02/2,244.90 = 1,155.79/x
  3. Step 3: Cross multiply
    1,628.02x = 2,244.90 × 1,155.79
  4. Step 4: Simplify right side
    1,628.02x = 2,594,632.97
  5. Step 5: Solve for x
    x = 2,594,632.97/1,628.02
  6. Step 6: Final answer
    x = 1,593.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.