Home / 1,619.02-2,428.52-464.77

Finding the Fourth Proportional to 1,619.02, 2,428.52 and 464.77

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Solution

The fourth proportional to 1,619.02, 2,428.52 and 464.77 is: 697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.02 : 2,428.52 = 464.77 : x
  2. Step 2: Convert to fraction form
    1,619.02/2,428.52 = 464.77/x
  3. Step 3: Cross multiply
    1,619.02x = 2,428.52 × 464.77
  4. Step 4: Simplify right side
    1,619.02x = 1,128,694.21
  5. Step 5: Solve for x
    x = 1,128,694.21/1,619.02
  6. Step 6: Final answer
    x = 697.15

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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.