Home / 2,417.36-3,336-1,369.64

Finding the Fourth Proportional to 2,417.36, 3,336 and 1,369.64

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Solution

The fourth proportional to 2,417.36, 3,336 and 1,369.64 is: 1,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.36 : 3,336 = 1,369.64 : x
  2. Step 2: Convert to fraction form
    2,417.36/3,336 = 1,369.64/x
  3. Step 3: Cross multiply
    2,417.36x = 3,336 × 1,369.64
  4. Step 4: Simplify right side
    2,417.36x = 4,569,119.04
  5. Step 5: Solve for x
    x = 4,569,119.04/2,417.36
  6. Step 6: Final answer
    x = 1,890.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.