Home / 3,580.32-4,935.90-3,088.20

Finding the Fourth Proportional to 3,580.32, 4,935.90 and 3,088.20

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Solution

The fourth proportional to 3,580.32, 4,935.90 and 3,088.20 is: 4,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.32 : 4,935.90 = 3,088.20 : x
  2. Step 2: Convert to fraction form
    3,580.32/4,935.90 = 3,088.20/x
  3. Step 3: Cross multiply
    3,580.32x = 4,935.90 × 3,088.20
  4. Step 4: Simplify right side
    3,580.32x = 15,243,046.38
  5. Step 5: Solve for x
    x = 15,243,046.38/3,580.32
  6. Step 6: Final answer
    x = 4,257.45

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1.5x scale

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.