Home / 1,629.31-2,439.16-1,011.02

Finding the Fourth Proportional to 1,629.31, 2,439.16 and 1,011.02

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Solution

The fourth proportional to 1,629.31, 2,439.16 and 1,011.02 is: 1,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.31 : 2,439.16 = 1,011.02 : x
  2. Step 2: Convert to fraction form
    1,629.31/2,439.16 = 1,011.02/x
  3. Step 3: Cross multiply
    1,629.31x = 2,439.16 × 1,011.02
  4. Step 4: Simplify right side
    1,629.31x = 2,466,043.11
  5. Step 5: Solve for x
    x = 2,466,043.11/1,629.31
  6. Step 6: Final answer
    x = 1,513.55

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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.