Home / 2,395.40-3,303.87-2,115.14

Finding the Fourth Proportional to 2,395.40, 3,303.87 and 2,115.14

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Solution

The fourth proportional to 2,395.40, 3,303.87 and 2,115.14 is: 2,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.40 : 3,303.87 = 2,115.14 : x
  2. Step 2: Convert to fraction form
    2,395.40/3,303.87 = 2,115.14/x
  3. Step 3: Cross multiply
    2,395.40x = 3,303.87 × 2,115.14
  4. Step 4: Simplify right side
    2,395.40x = 6,988,147.59
  5. Step 5: Solve for x
    x = 6,988,147.59/2,395.40
  6. Step 6: Final answer
    x = 2,917.32

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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.