Home / 1,501.37-2,255.24-916.65

Finding the Fourth Proportional to 1,501.37, 2,255.24 and 916.65

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Solution

The fourth proportional to 1,501.37, 2,255.24 and 916.65 is: 1,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.37 : 2,255.24 = 916.65 : x
  2. Step 2: Convert to fraction form
    1,501.37/2,255.24 = 916.65/x
  3. Step 3: Cross multiply
    1,501.37x = 2,255.24 × 916.65
  4. Step 4: Simplify right side
    1,501.37x = 2,067,268.04
  5. Step 5: Solve for x
    x = 2,067,268.04/1,501.37
  6. Step 6: Final answer
    x = 1,376.92

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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.