Home / 3,090.42-4,613.63-2,960.82

Finding the Fourth Proportional to 3,090.42, 4,613.63 and 2,960.82

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Solution

The fourth proportional to 3,090.42, 4,613.63 and 2,960.82 is: 4,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.42 : 4,613.63 = 2,960.82 : x
  2. Step 2: Convert to fraction form
    3,090.42/4,613.63 = 2,960.82/x
  3. Step 3: Cross multiply
    3,090.42x = 4,613.63 × 2,960.82
  4. Step 4: Simplify right side
    3,090.42x = 13,660,113.17
  5. Step 5: Solve for x
    x = 13,660,113.17/3,090.42
  6. Step 6: Final answer
    x = 4,420.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.