Home / 2,320.13-3,471.47-1,628.14

Finding the Fourth Proportional to 2,320.13, 3,471.47 and 1,628.14

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Solution

The fourth proportional to 2,320.13, 3,471.47 and 1,628.14 is: 2,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.13 : 3,471.47 = 1,628.14 : x
  2. Step 2: Convert to fraction form
    2,320.13/3,471.47 = 1,628.14/x
  3. Step 3: Cross multiply
    2,320.13x = 3,471.47 × 1,628.14
  4. Step 4: Simplify right side
    2,320.13x = 5,652,047.98
  5. Step 5: Solve for x
    x = 5,652,047.98/2,320.13
  6. Step 6: Final answer
    x = 2,436.10

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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.