Home / 1,629.02-2,246.28-1,156.79

Finding the Fourth Proportional to 1,629.02, 2,246.28 and 1,156.79

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Solution

The fourth proportional to 1,629.02, 2,246.28 and 1,156.79 is: 1,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.02 : 2,246.28 = 1,156.79 : x
  2. Step 2: Convert to fraction form
    1,629.02/2,246.28 = 1,156.79/x
  3. Step 3: Cross multiply
    1,629.02x = 2,246.28 × 1,156.79
  4. Step 4: Simplify right side
    1,629.02x = 2,598,474.24
  5. Step 5: Solve for x
    x = 2,598,474.24/1,629.02
  6. Step 6: Final answer
    x = 1,595.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.