Home / 1,501.37-2,251.53-611.87

Finding the Fourth Proportional to 1,501.37, 2,251.53 and 611.87

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Solution

The fourth proportional to 1,501.37, 2,251.53 and 611.87 is: 917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.37 : 2,251.53 = 611.87 : x
  2. Step 2: Convert to fraction form
    1,501.37/2,251.53 = 611.87/x
  3. Step 3: Cross multiply
    1,501.37x = 2,251.53 × 611.87
  4. Step 4: Simplify right side
    1,501.37x = 1,377,649.29
  5. Step 5: Solve for x
    x = 1,377,649.29/1,501.37
  6. Step 6: Final answer
    x = 917.60

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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.