Home / 3,114.40-4,298.40-2,367.18

Finding the Fourth Proportional to 3,114.40, 4,298.40 and 2,367.18

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Solution

The fourth proportional to 3,114.40, 4,298.40 and 2,367.18 is: 3,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.40 : 4,298.40 = 2,367.18 : x
  2. Step 2: Convert to fraction form
    3,114.40/4,298.40 = 2,367.18/x
  3. Step 3: Cross multiply
    3,114.40x = 4,298.40 × 2,367.18
  4. Step 4: Simplify right side
    3,114.40x = 10,175,086.51
  5. Step 5: Solve for x
    x = 10,175,086.51/3,114.40
  6. Step 6: Final answer
    x = 3,267.11

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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.