Home / 3,318.36-4,976.02-1,585.08

Finding the Fourth Proportional to 3,318.36, 4,976.02 and 1,585.08

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Solution

The fourth proportional to 3,318.36, 4,976.02 and 1,585.08 is: 2,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.36 : 4,976.02 = 1,585.08 : x
  2. Step 2: Convert to fraction form
    3,318.36/4,976.02 = 1,585.08/x
  3. Step 3: Cross multiply
    3,318.36x = 4,976.02 × 1,585.08
  4. Step 4: Simplify right side
    3,318.36x = 7,887,389.78
  5. Step 5: Solve for x
    x = 7,887,389.78/3,318.36
  6. Step 6: Final answer
    x = 2,376.89

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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.