Home / 2,636.99-3,953.68-1,337.55

Finding the Fourth Proportional to 2,636.99, 3,953.68 and 1,337.55

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Solution

The fourth proportional to 2,636.99, 3,953.68 and 1,337.55 is: 2,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.99 : 3,953.68 = 1,337.55 : x
  2. Step 2: Convert to fraction form
    2,636.99/3,953.68 = 1,337.55/x
  3. Step 3: Cross multiply
    2,636.99x = 3,953.68 × 1,337.55
  4. Step 4: Simplify right side
    2,636.99x = 5,288,226.51
  5. Step 5: Solve for x
    x = 5,288,226.51/2,636.99
  6. Step 6: Final answer
    x = 2,005.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.