Home / 1,495.08-2,237.76-1,287.72

Finding the Fourth Proportional to 1,495.08, 2,237.76 and 1,287.72

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Solution

The fourth proportional to 1,495.08, 2,237.76 and 1,287.72 is: 1,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.08 : 2,237.76 = 1,287.72 : x
  2. Step 2: Convert to fraction form
    1,495.08/2,237.76 = 1,287.72/x
  3. Step 3: Cross multiply
    1,495.08x = 2,237.76 × 1,287.72
  4. Step 4: Simplify right side
    1,495.08x = 2,881,608.31
  5. Step 5: Solve for x
    x = 2,881,608.31/1,495.08
  6. Step 6: Final answer
    x = 1,927.39

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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.