Home / 2,313.67-3,471.93-1,389.46

Finding the Fourth Proportional to 2,313.67, 3,471.93 and 1,389.46

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Solution

The fourth proportional to 2,313.67, 3,471.93 and 1,389.46 is: 2,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.67 : 3,471.93 = 1,389.46 : x
  2. Step 2: Convert to fraction form
    2,313.67/3,471.93 = 1,389.46/x
  3. Step 3: Cross multiply
    2,313.67x = 3,471.93 × 1,389.46
  4. Step 4: Simplify right side
    2,313.67x = 4,824,107.86
  5. Step 5: Solve for x
    x = 4,824,107.86/2,313.67
  6. Step 6: Final answer
    x = 2,085.05

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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.