Home / 1,629.90-2,433.02-1,509.75

Finding the Fourth Proportional to 1,629.90, 2,433.02 and 1,509.75

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Solution

The fourth proportional to 1,629.90, 2,433.02 and 1,509.75 is: 2,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.90 : 2,433.02 = 1,509.75 : x
  2. Step 2: Convert to fraction form
    1,629.90/2,433.02 = 1,509.75/x
  3. Step 3: Cross multiply
    1,629.90x = 2,433.02 × 1,509.75
  4. Step 4: Simplify right side
    1,629.90x = 3,673,244.40
  5. Step 5: Solve for x
    x = 3,673,244.40/1,629.90
  6. Step 6: Final answer
    x = 2,253.66

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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.