Home / 3,113.30-4,659.15-2,854.10

Finding the Fourth Proportional to 3,113.30, 4,659.15 and 2,854.10

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Solution

The fourth proportional to 3,113.30, 4,659.15 and 2,854.10 is: 4,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.30 : 4,659.15 = 2,854.10 : x
  2. Step 2: Convert to fraction form
    3,113.30/4,659.15 = 2,854.10/x
  3. Step 3: Cross multiply
    3,113.30x = 4,659.15 × 2,854.10
  4. Step 4: Simplify right side
    3,113.30x = 13,297,680.02
  5. Step 5: Solve for x
    x = 13,297,680.02/3,113.30
  6. Step 6: Final answer
    x = 4,271.25

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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.