Home / 1,495.24-2,228.75-1,378.60

Finding the Fourth Proportional to 1,495.24, 2,228.75 and 1,378.60

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Solution

The fourth proportional to 1,495.24, 2,228.75 and 1,378.60 is: 2,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.24 : 2,228.75 = 1,378.60 : x
  2. Step 2: Convert to fraction form
    1,495.24/2,228.75 = 1,378.60/x
  3. Step 3: Cross multiply
    1,495.24x = 2,228.75 × 1,378.60
  4. Step 4: Simplify right side
    1,495.24x = 3,072,554.75
  5. Step 5: Solve for x
    x = 3,072,554.75/1,495.24
  6. Step 6: Final answer
    x = 2,054.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.