Home / 2,982.32-4,478.36-1,835.36

Finding the Fourth Proportional to 2,982.32, 4,478.36 and 1,835.36

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Solution

The fourth proportional to 2,982.32, 4,478.36 and 1,835.36 is: 2,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.32 : 4,478.36 = 1,835.36 : x
  2. Step 2: Convert to fraction form
    2,982.32/4,478.36 = 1,835.36/x
  3. Step 3: Cross multiply
    2,982.32x = 4,478.36 × 1,835.36
  4. Step 4: Simplify right side
    2,982.32x = 8,219,402.81
  5. Step 5: Solve for x
    x = 8,219,402.81/2,982.32
  6. Step 6: Final answer
    x = 2,756.04

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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.