Home / 2,925.62-4,388.46-1,692.28

Finding the Fourth Proportional to 2,925.62, 4,388.46 and 1,692.28

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Solution

The fourth proportional to 2,925.62, 4,388.46 and 1,692.28 is: 2,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.62 : 4,388.46 = 1,692.28 : x
  2. Step 2: Convert to fraction form
    2,925.62/4,388.46 = 1,692.28/x
  3. Step 3: Cross multiply
    2,925.62x = 4,388.46 × 1,692.28
  4. Step 4: Simplify right side
    2,925.62x = 7,426,503.09
  5. Step 5: Solve for x
    x = 7,426,503.09/2,925.62
  6. Step 6: Final answer
    x = 2,538.44

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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.