Home / 1,573.01-2,171.62-1,102.35

Finding the Fourth Proportional to 1,573.01, 2,171.62 and 1,102.35

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Solution

The fourth proportional to 1,573.01, 2,171.62 and 1,102.35 is: 1,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.01 : 2,171.62 = 1,102.35 : x
  2. Step 2: Convert to fraction form
    1,573.01/2,171.62 = 1,102.35/x
  3. Step 3: Cross multiply
    1,573.01x = 2,171.62 × 1,102.35
  4. Step 4: Simplify right side
    1,573.01x = 2,393,885.31
  5. Step 5: Solve for x
    x = 2,393,885.31/1,573.01
  6. Step 6: Final answer
    x = 1,521.85

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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.