Home / 2,177.15-3,271.46-1,203.93

Finding the Fourth Proportional to 2,177.15, 3,271.46 and 1,203.93

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Solution

The fourth proportional to 2,177.15, 3,271.46 and 1,203.93 is: 1,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.15 : 3,271.46 = 1,203.93 : x
  2. Step 2: Convert to fraction form
    2,177.15/3,271.46 = 1,203.93/x
  3. Step 3: Cross multiply
    2,177.15x = 3,271.46 × 1,203.93
  4. Step 4: Simplify right side
    2,177.15x = 3,938,602.82
  5. Step 5: Solve for x
    x = 3,938,602.82/2,177.15
  6. Step 6: Final answer
    x = 1,809.07

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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.