Home / 1,497.50-2,231.37-1,333.93

Finding the Fourth Proportional to 1,497.50, 2,231.37 and 1,333.93

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Solution

The fourth proportional to 1,497.50, 2,231.37 and 1,333.93 is: 1,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.50 : 2,231.37 = 1,333.93 : x
  2. Step 2: Convert to fraction form
    1,497.50/2,231.37 = 1,333.93/x
  3. Step 3: Cross multiply
    1,497.50x = 2,231.37 × 1,333.93
  4. Step 4: Simplify right side
    1,497.50x = 2,976,491.38
  5. Step 5: Solve for x
    x = 2,976,491.38/1,497.50
  6. Step 6: Final answer
    x = 1,987.64

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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.