Home / 3,113.90-4,665.45-2,017.70

Finding the Fourth Proportional to 3,113.90, 4,665.45 and 2,017.70

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Solution

The fourth proportional to 3,113.90, 4,665.45 and 2,017.70 is: 3,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.90 : 4,665.45 = 2,017.70 : x
  2. Step 2: Convert to fraction form
    3,113.90/4,665.45 = 2,017.70/x
  3. Step 3: Cross multiply
    3,113.90x = 4,665.45 × 2,017.70
  4. Step 4: Simplify right side
    3,113.90x = 9,413,478.47
  5. Step 5: Solve for x
    x = 9,413,478.47/3,113.90
  6. Step 6: Final answer
    x = 3,023.05

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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.