Home / 1,492.39-2,052.20-1,295.56

Finding the Fourth Proportional to 1,492.39, 2,052.20 and 1,295.56

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Solution

The fourth proportional to 1,492.39, 2,052.20 and 1,295.56 is: 1,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.39 : 2,052.20 = 1,295.56 : x
  2. Step 2: Convert to fraction form
    1,492.39/2,052.20 = 1,295.56/x
  3. Step 3: Cross multiply
    1,492.39x = 2,052.20 × 1,295.56
  4. Step 4: Simplify right side
    1,492.39x = 2,658,748.23
  5. Step 5: Solve for x
    x = 2,658,748.23/1,492.39
  6. Step 6: Final answer
    x = 1,781.54

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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.