Home / 2,420.64-3,624.57-1,960.17

Finding the Fourth Proportional to 2,420.64, 3,624.57 and 1,960.17

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Solution

The fourth proportional to 2,420.64, 3,624.57 and 1,960.17 is: 2,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.64 : 3,624.57 = 1,960.17 : x
  2. Step 2: Convert to fraction form
    2,420.64/3,624.57 = 1,960.17/x
  3. Step 3: Cross multiply
    2,420.64x = 3,624.57 × 1,960.17
  4. Step 4: Simplify right side
    2,420.64x = 7,104,773.38
  5. Step 5: Solve for x
    x = 7,104,773.38/2,420.64
  6. Step 6: Final answer
    x = 2,935.08

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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.