Home / 2,313.13-3,469.69-581.75

Finding the Fourth Proportional to 2,313.13, 3,469.69 and 581.75

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Solution

The fourth proportional to 2,313.13, 3,469.69 and 581.75 is: 872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.13 : 3,469.69 = 581.75 : x
  2. Step 2: Convert to fraction form
    2,313.13/3,469.69 = 581.75/x
  3. Step 3: Cross multiply
    2,313.13x = 3,469.69 × 581.75
  4. Step 4: Simplify right side
    2,313.13x = 2,018,492.16
  5. Step 5: Solve for x
    x = 2,018,492.16/2,313.13
  6. Step 6: Final answer
    x = 872.63

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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.