Home / 3,116.28-4,300.53-1,719.03

Finding the Fourth Proportional to 3,116.28, 4,300.53 and 1,719.03

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Solution

The fourth proportional to 3,116.28, 4,300.53 and 1,719.03 is: 2,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.28 : 4,300.53 = 1,719.03 : x
  2. Step 2: Convert to fraction form
    3,116.28/4,300.53 = 1,719.03/x
  3. Step 3: Cross multiply
    3,116.28x = 4,300.53 × 1,719.03
  4. Step 4: Simplify right side
    3,116.28x = 7,392,740.09
  5. Step 5: Solve for x
    x = 7,392,740.09/3,116.28
  6. Step 6: Final answer
    x = 2,372.30

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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.