Home / 1,314.20-1,970.16-492.26

Finding the Fourth Proportional to 1,314.20, 1,970.16 and 492.26

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Solution

The fourth proportional to 1,314.20, 1,970.16 and 492.26 is: 737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.20 : 1,970.16 = 492.26 : x
  2. Step 2: Convert to fraction form
    1,314.20/1,970.16 = 492.26/x
  3. Step 3: Cross multiply
    1,314.20x = 1,970.16 × 492.26
  4. Step 4: Simplify right side
    1,314.20x = 969,830.96
  5. Step 5: Solve for x
    x = 969,830.96/1,314.20
  6. Step 6: Final answer
    x = 737.96

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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.