Home / 3,065.50-4,598.28-985.54

Finding the Fourth Proportional to 3,065.50, 4,598.28 and 985.54

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Solution

The fourth proportional to 3,065.50, 4,598.28 and 985.54 is: 1,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.50 : 4,598.28 = 985.54 : x
  2. Step 2: Convert to fraction form
    3,065.50/4,598.28 = 985.54/x
  3. Step 3: Cross multiply
    3,065.50x = 4,598.28 × 985.54
  4. Step 4: Simplify right side
    3,065.50x = 4,531,788.87
  5. Step 5: Solve for x
    x = 4,531,788.87/3,065.50
  6. Step 6: Final answer
    x = 1,478.32

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Double scale
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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.