Home / 2,359.68-3,541.64-1,318.16

Finding the Fourth Proportional to 2,359.68, 3,541.64 and 1,318.16

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Solution

The fourth proportional to 2,359.68, 3,541.64 and 1,318.16 is: 1,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.68 : 3,541.64 = 1,318.16 : x
  2. Step 2: Convert to fraction form
    2,359.68/3,541.64 = 1,318.16/x
  3. Step 3: Cross multiply
    2,359.68x = 3,541.64 × 1,318.16
  4. Step 4: Simplify right side
    2,359.68x = 4,668,448.18
  5. Step 5: Solve for x
    x = 4,668,448.18/2,359.68
  6. Step 6: Final answer
    x = 1,978.42

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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.