Home / 3,432.47-4,736.90-2,106.91

Finding the Fourth Proportional to 3,432.47, 4,736.90 and 2,106.91

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Solution

The fourth proportional to 3,432.47, 4,736.90 and 2,106.91 is: 2,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.47 : 4,736.90 = 2,106.91 : x
  2. Step 2: Convert to fraction form
    3,432.47/4,736.90 = 2,106.91/x
  3. Step 3: Cross multiply
    3,432.47x = 4,736.90 × 2,106.91
  4. Step 4: Simplify right side
    3,432.47x = 9,980,221.98
  5. Step 5: Solve for x
    x = 9,980,221.98/3,432.47
  6. Step 6: Final answer
    x = 2,907.59

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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.