Home / 1,772.34-2,659.08-1,113.42

Finding the Fourth Proportional to 1,772.34, 2,659.08 and 1,113.42

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Solution

The fourth proportional to 1,772.34, 2,659.08 and 1,113.42 is: 1,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.34 : 2,659.08 = 1,113.42 : x
  2. Step 2: Convert to fraction form
    1,772.34/2,659.08 = 1,113.42/x
  3. Step 3: Cross multiply
    1,772.34x = 2,659.08 × 1,113.42
  4. Step 4: Simplify right side
    1,772.34x = 2,960,672.85
  5. Step 5: Solve for x
    x = 2,960,672.85/1,772.34
  6. Step 6: Final answer
    x = 1,670.49

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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.