Home / 2,896.64-4,346.40-1,253.60

Finding the Fourth Proportional to 2,896.64, 4,346.40 and 1,253.60

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Solution

The fourth proportional to 2,896.64, 4,346.40 and 1,253.60 is: 1,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.64 : 4,346.40 = 1,253.60 : x
  2. Step 2: Convert to fraction form
    2,896.64/4,346.40 = 1,253.60/x
  3. Step 3: Cross multiply
    2,896.64x = 4,346.40 × 1,253.60
  4. Step 4: Simplify right side
    2,896.64x = 5,448,647.04
  5. Step 5: Solve for x
    x = 5,448,647.04/2,896.64
  6. Step 6: Final answer
    x = 1,881.02

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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.