Home / 2,847.31-3,929.35-1,652.32

Finding the Fourth Proportional to 2,847.31, 3,929.35 and 1,652.32

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Solution

The fourth proportional to 2,847.31, 3,929.35 and 1,652.32 is: 2,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.31 : 3,929.35 = 1,652.32 : x
  2. Step 2: Convert to fraction form
    2,847.31/3,929.35 = 1,652.32/x
  3. Step 3: Cross multiply
    2,847.31x = 3,929.35 × 1,652.32
  4. Step 4: Simplify right side
    2,847.31x = 6,492,556.20
  5. Step 5: Solve for x
    x = 6,492,556.20/2,847.31
  6. Step 6: Final answer
    x = 2,280.24

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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.