Home / 3,127.93-4,692.64-1,047.94

Finding the Fourth Proportional to 3,127.93, 4,692.64 and 1,047.94

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Solution

The fourth proportional to 3,127.93, 4,692.64 and 1,047.94 is: 1,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.93 : 4,692.64 = 1,047.94 : x
  2. Step 2: Convert to fraction form
    3,127.93/4,692.64 = 1,047.94/x
  3. Step 3: Cross multiply
    3,127.93x = 4,692.64 × 1,047.94
  4. Step 4: Simplify right side
    3,127.93x = 4,917,615.52
  5. Step 5: Solve for x
    x = 4,917,615.52/3,127.93
  6. Step 6: Final answer
    x = 1,572.16

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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.