Home / 1,600.25-2,397.15-1,271.72

Finding the Fourth Proportional to 1,600.25, 2,397.15 and 1,271.72

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Solution

The fourth proportional to 1,600.25, 2,397.15 and 1,271.72 is: 1,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.25 : 2,397.15 = 1,271.72 : x
  2. Step 2: Convert to fraction form
    1,600.25/2,397.15 = 1,271.72/x
  3. Step 3: Cross multiply
    1,600.25x = 2,397.15 × 1,271.72
  4. Step 4: Simplify right side
    1,600.25x = 3,048,509.59
  5. Step 5: Solve for x
    x = 3,048,509.59/1,600.25
  6. Step 6: Final answer
    x = 1,905.03

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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.