Home / 1,602.18-2,208.87-1,271.70

Finding the Fourth Proportional to 1,602.18, 2,208.87 and 1,271.70

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Solution

The fourth proportional to 1,602.18, 2,208.87 and 1,271.70 is: 1,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.18 : 2,208.87 = 1,271.70 : x
  2. Step 2: Convert to fraction form
    1,602.18/2,208.87 = 1,271.70/x
  3. Step 3: Cross multiply
    1,602.18x = 2,208.87 × 1,271.70
  4. Step 4: Simplify right side
    1,602.18x = 2,809,019.98
  5. Step 5: Solve for x
    x = 2,809,019.98/1,602.18
  6. Step 6: Final answer
    x = 1,753.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.