Home / 3,087.92-4,630.73-1,113.02

Finding the Fourth Proportional to 3,087.92, 4,630.73 and 1,113.02

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Solution

The fourth proportional to 3,087.92, 4,630.73 and 1,113.02 is: 1,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.92 : 4,630.73 = 1,113.02 : x
  2. Step 2: Convert to fraction form
    3,087.92/4,630.73 = 1,113.02/x
  3. Step 3: Cross multiply
    3,087.92x = 4,630.73 × 1,113.02
  4. Step 4: Simplify right side
    3,087.92x = 5,154,083.75
  5. Step 5: Solve for x
    x = 5,154,083.75/3,087.92
  6. Step 6: Final answer
    x = 1,669.11

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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.