Home / 1,572.26-2,353.52-1,338.98

Finding the Fourth Proportional to 1,572.26, 2,353.52 and 1,338.98

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Solution

The fourth proportional to 1,572.26, 2,353.52 and 1,338.98 is: 2,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.26 : 2,353.52 = 1,338.98 : x
  2. Step 2: Convert to fraction form
    1,572.26/2,353.52 = 1,338.98/x
  3. Step 3: Cross multiply
    1,572.26x = 2,353.52 × 1,338.98
  4. Step 4: Simplify right side
    1,572.26x = 3,151,316.21
  5. Step 5: Solve for x
    x = 3,151,316.21/1,572.26
  6. Step 6: Final answer
    x = 2,004.32

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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.