Home / 2,631.34-3,630.99-1,699.84

Finding the Fourth Proportional to 2,631.34, 3,630.99 and 1,699.84

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Solution

The fourth proportional to 2,631.34, 3,630.99 and 1,699.84 is: 2,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.34 : 3,630.99 = 1,699.84 : x
  2. Step 2: Convert to fraction form
    2,631.34/3,630.99 = 1,699.84/x
  3. Step 3: Cross multiply
    2,631.34x = 3,630.99 × 1,699.84
  4. Step 4: Simplify right side
    2,631.34x = 6,172,102.04
  5. Step 5: Solve for x
    x = 6,172,102.04/2,631.34
  6. Step 6: Final answer
    x = 2,345.61

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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.