Home / 1,629.68-2,432.66-1,509.36

Finding the Fourth Proportional to 1,629.68, 2,432.66 and 1,509.36

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Solution

The fourth proportional to 1,629.68, 2,432.66 and 1,509.36 is: 2,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.68 : 2,432.66 = 1,509.36 : x
  2. Step 2: Convert to fraction form
    1,629.68/2,432.66 = 1,509.36/x
  3. Step 3: Cross multiply
    1,629.68x = 2,432.66 × 1,509.36
  4. Step 4: Simplify right side
    1,629.68x = 3,671,759.70
  5. Step 5: Solve for x
    x = 3,671,759.70/1,629.68
  6. Step 6: Final answer
    x = 2,253.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.