Home / 2,929.32-4,394.46-1,782.12

Finding the Fourth Proportional to 2,929.32, 4,394.46 and 1,782.12

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Solution

The fourth proportional to 2,929.32, 4,394.46 and 1,782.12 is: 2,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.32 : 4,394.46 = 1,782.12 : x
  2. Step 2: Convert to fraction form
    2,929.32/4,394.46 = 1,782.12/x
  3. Step 3: Cross multiply
    2,929.32x = 4,394.46 × 1,782.12
  4. Step 4: Simplify right side
    2,929.32x = 7,831,455.06
  5. Step 5: Solve for x
    x = 7,831,455.06/2,929.32
  6. Step 6: Final answer
    x = 2,673.47

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1.5x scale

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.