Home / 3,078.02-4,617.33-887.07

Finding the Fourth Proportional to 3,078.02, 4,617.33 and 887.07

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Solution

The fourth proportional to 3,078.02, 4,617.33 and 887.07 is: 1,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.02 : 4,617.33 = 887.07 : x
  2. Step 2: Convert to fraction form
    3,078.02/4,617.33 = 887.07/x
  3. Step 3: Cross multiply
    3,078.02x = 4,617.33 × 887.07
  4. Step 4: Simplify right side
    3,078.02x = 4,095,894.92
  5. Step 5: Solve for x
    x = 4,095,894.92/3,078.02
  6. Step 6: Final answer
    x = 1,330.69

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Similar ratio
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1.5x scale

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.