Home / 1,256.14-1,884.24-1,225.18

Finding the Fourth Proportional to 1,256.14, 1,884.24 and 1,225.18

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Solution

The fourth proportional to 1,256.14, 1,884.24 and 1,225.18 is: 1,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.14 : 1,884.24 = 1,225.18 : x
  2. Step 2: Convert to fraction form
    1,256.14/1,884.24 = 1,225.18/x
  3. Step 3: Cross multiply
    1,256.14x = 1,884.24 × 1,225.18
  4. Step 4: Simplify right side
    1,256.14x = 2,308,533.16
  5. Step 5: Solve for x
    x = 2,308,533.16/1,256.14
  6. Step 6: Final answer
    x = 1,837.80

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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.