Home / 3,609.66-4,970.88-2,613.36

Finding the Fourth Proportional to 3,609.66, 4,970.88 and 2,613.36

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Solution

The fourth proportional to 3,609.66, 4,970.88 and 2,613.36 is: 3,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.66 : 4,970.88 = 2,613.36 : x
  2. Step 2: Convert to fraction form
    3,609.66/4,970.88 = 2,613.36/x
  3. Step 3: Cross multiply
    3,609.66x = 4,970.88 × 2,613.36
  4. Step 4: Simplify right side
    3,609.66x = 12,990,698.96
  5. Step 5: Solve for x
    x = 12,990,698.96/3,609.66
  6. Step 6: Final answer
    x = 3,598.87

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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.