Home / 3,076.99-4,613.36-1,515.11

Finding the Fourth Proportional to 3,076.99, 4,613.36 and 1,515.11

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Solution

The fourth proportional to 3,076.99, 4,613.36 and 1,515.11 is: 2,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.99 : 4,613.36 = 1,515.11 : x
  2. Step 2: Convert to fraction form
    3,076.99/4,613.36 = 1,515.11/x
  3. Step 3: Cross multiply
    3,076.99x = 4,613.36 × 1,515.11
  4. Step 4: Simplify right side
    3,076.99x = 6,989,717.23
  5. Step 5: Solve for x
    x = 6,989,717.23/3,076.99
  6. Step 6: Final answer
    x = 2,271.61

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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.