Home / 1,437.24-2,153.44-655.96

Finding the Fourth Proportional to 1,437.24, 2,153.44 and 655.96

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Solution

The fourth proportional to 1,437.24, 2,153.44 and 655.96 is: 982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.24 : 2,153.44 = 655.96 : x
  2. Step 2: Convert to fraction form
    1,437.24/2,153.44 = 655.96/x
  3. Step 3: Cross multiply
    1,437.24x = 2,153.44 × 655.96
  4. Step 4: Simplify right side
    1,437.24x = 1,412,570.50
  5. Step 5: Solve for x
    x = 1,412,570.50/1,437.24
  6. Step 6: Final answer
    x = 982.84

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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.