Home / 2,925.28-4,385.04-1,385.44

Finding the Fourth Proportional to 2,925.28, 4,385.04 and 1,385.44

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Solution

The fourth proportional to 2,925.28, 4,385.04 and 1,385.44 is: 2,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.28 : 4,385.04 = 1,385.44 : x
  2. Step 2: Convert to fraction form
    2,925.28/4,385.04 = 1,385.44/x
  3. Step 3: Cross multiply
    2,925.28x = 4,385.04 × 1,385.44
  4. Step 4: Simplify right side
    2,925.28x = 6,075,209.82
  5. Step 5: Solve for x
    x = 6,075,209.82/2,925.28
  6. Step 6: Final answer
    x = 2,076.80

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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.