Home / 2,455.64-3,388.69-1,364.16

Finding the Fourth Proportional to 2,455.64, 3,388.69 and 1,364.16

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Solution

The fourth proportional to 2,455.64, 3,388.69 and 1,364.16 is: 1,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.64 : 3,388.69 = 1,364.16 : x
  2. Step 2: Convert to fraction form
    2,455.64/3,388.69 = 1,364.16/x
  3. Step 3: Cross multiply
    2,455.64x = 3,388.69 × 1,364.16
  4. Step 4: Simplify right side
    2,455.64x = 4,622,715.35
  5. Step 5: Solve for x
    x = 4,622,715.35/2,455.64
  6. Step 6: Final answer
    x = 1,882.49

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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.