Home / 2,000.15-2,756.90-1,336.76

Finding the Fourth Proportional to 2,000.15, 2,756.90 and 1,336.76

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Solution

The fourth proportional to 2,000.15, 2,756.90 and 1,336.76 is: 1,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.15 : 2,756.90 = 1,336.76 : x
  2. Step 2: Convert to fraction form
    2,000.15/2,756.90 = 1,336.76/x
  3. Step 3: Cross multiply
    2,000.15x = 2,756.90 × 1,336.76
  4. Step 4: Simplify right side
    2,000.15x = 3,685,313.64
  5. Step 5: Solve for x
    x = 3,685,313.64/2,000.15
  6. Step 6: Final answer
    x = 1,842.52

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Half scale
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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.