Home / 3,440.91-4,748.59-1,907.87

Finding the Fourth Proportional to 3,440.91, 4,748.59 and 1,907.87

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Solution

The fourth proportional to 3,440.91, 4,748.59 and 1,907.87 is: 2,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.91 : 4,748.59 = 1,907.87 : x
  2. Step 2: Convert to fraction form
    3,440.91/4,748.59 = 1,907.87/x
  3. Step 3: Cross multiply
    3,440.91x = 4,748.59 × 1,907.87
  4. Step 4: Simplify right side
    3,440.91x = 9,059,692.40
  5. Step 5: Solve for x
    x = 9,059,692.40/3,440.91
  6. Step 6: Final answer
    x = 2,632.94

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1.5x scale

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.