Home / 2,336.40-3,502.12-1,239.64

Finding the Fourth Proportional to 2,336.40, 3,502.12 and 1,239.64

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Solution

The fourth proportional to 2,336.40, 3,502.12 and 1,239.64 is: 1,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.40 : 3,502.12 = 1,239.64 : x
  2. Step 2: Convert to fraction form
    2,336.40/3,502.12 = 1,239.64/x
  3. Step 3: Cross multiply
    2,336.40x = 3,502.12 × 1,239.64
  4. Step 4: Simplify right side
    2,336.40x = 4,341,368.04
  5. Step 5: Solve for x
    x = 4,341,368.04/2,336.40
  6. Step 6: Final answer
    x = 1,858.14

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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.