Home / 3,116.23-4,301.28-1,856.88

Finding the Fourth Proportional to 3,116.23, 4,301.28 and 1,856.88

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Solution

The fourth proportional to 3,116.23, 4,301.28 and 1,856.88 is: 2,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.23 : 4,301.28 = 1,856.88 : x
  2. Step 2: Convert to fraction form
    3,116.23/4,301.28 = 1,856.88/x
  3. Step 3: Cross multiply
    3,116.23x = 4,301.28 × 1,856.88
  4. Step 4: Simplify right side
    3,116.23x = 7,986,960.81
  5. Step 5: Solve for x
    x = 7,986,960.81/3,116.23
  6. Step 6: Final answer
    x = 2,563.02

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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.