Home / 3,071.65-4,242.43-2,236.10

Finding the Fourth Proportional to 3,071.65, 4,242.43 and 2,236.10

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Solution

The fourth proportional to 3,071.65, 4,242.43 and 2,236.10 is: 3,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.65 : 4,242.43 = 2,236.10 : x
  2. Step 2: Convert to fraction form
    3,071.65/4,242.43 = 2,236.10/x
  3. Step 3: Cross multiply
    3,071.65x = 4,242.43 × 2,236.10
  4. Step 4: Simplify right side
    3,071.65x = 9,486,497.72
  5. Step 5: Solve for x
    x = 9,486,497.72/3,071.65
  6. Step 6: Final answer
    x = 3,088.40

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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.