Home / 1,350.64-2,026.20-619.60

Finding the Fourth Proportional to 1,350.64, 2,026.20 and 619.60

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Solution

The fourth proportional to 1,350.64, 2,026.20 and 619.60 is: 929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.64 : 2,026.20 = 619.60 : x
  2. Step 2: Convert to fraction form
    1,350.64/2,026.20 = 619.60/x
  3. Step 3: Cross multiply
    1,350.64x = 2,026.20 × 619.60
  4. Step 4: Simplify right side
    1,350.64x = 1,255,433.52
  5. Step 5: Solve for x
    x = 1,255,433.52/1,350.64
  6. Step 6: Final answer
    x = 929.51

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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.