Home / 2,922.08-4,385.28-1,384.16

Finding the Fourth Proportional to 2,922.08, 4,385.28 and 1,384.16

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Solution

The fourth proportional to 2,922.08, 4,385.28 and 1,384.16 is: 2,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.08 : 4,385.28 = 1,384.16 : x
  2. Step 2: Convert to fraction form
    2,922.08/4,385.28 = 1,384.16/x
  3. Step 3: Cross multiply
    2,922.08x = 4,385.28 × 1,384.16
  4. Step 4: Simplify right side
    2,922.08x = 6,069,929.16
  5. Step 5: Solve for x
    x = 6,069,929.16/2,922.08
  6. Step 6: Final answer
    x = 2,077.26

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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.