Home / 3,437.35-4,736.45-2,640.63

Finding the Fourth Proportional to 3,437.35, 4,736.45 and 2,640.63

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Solution

The fourth proportional to 3,437.35, 4,736.45 and 2,640.63 is: 3,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.35 : 4,736.45 = 2,640.63 : x
  2. Step 2: Convert to fraction form
    3,437.35/4,736.45 = 2,640.63/x
  3. Step 3: Cross multiply
    3,437.35x = 4,736.45 × 2,640.63
  4. Step 4: Simplify right side
    3,437.35x = 12,507,218.91
  5. Step 5: Solve for x
    x = 12,507,218.91/3,437.35
  6. Step 6: Final answer
    x = 3,638.62

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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.