Home / 3,316.60-4,975.52-1,585.36

Finding the Fourth Proportional to 3,316.60, 4,975.52 and 1,585.36

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Solution

The fourth proportional to 3,316.60, 4,975.52 and 1,585.36 is: 2,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.60 : 4,975.52 = 1,585.36 : x
  2. Step 2: Convert to fraction form
    3,316.60/4,975.52 = 1,585.36/x
  3. Step 3: Cross multiply
    3,316.60x = 4,975.52 × 1,585.36
  4. Step 4: Simplify right side
    3,316.60x = 7,887,990.39
  5. Step 5: Solve for x
    x = 7,887,990.39/3,316.60
  6. Step 6: Final answer
    x = 2,378.34

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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.