Home / 4,145.70-5,719.02-3,080.07

Finding the Fourth Proportional to 4,145.70, 5,719.02 and 3,080.07

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Solution

The fourth proportional to 4,145.70, 5,719.02 and 3,080.07 is: 4,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.70 : 5,719.02 = 3,080.07 : x
  2. Step 2: Convert to fraction form
    4,145.70/5,719.02 = 3,080.07/x
  3. Step 3: Cross multiply
    4,145.70x = 5,719.02 × 3,080.07
  4. Step 4: Simplify right side
    4,145.70x = 17,614,953.34
  5. Step 5: Solve for x
    x = 17,614,953.34/4,145.70
  6. Step 6: Final answer
    x = 4,248.97

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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.