Home / 2,257.07-3,114.29-1,628.53

Finding the Fourth Proportional to 2,257.07, 3,114.29 and 1,628.53

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Solution

The fourth proportional to 2,257.07, 3,114.29 and 1,628.53 is: 2,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.07 : 3,114.29 = 1,628.53 : x
  2. Step 2: Convert to fraction form
    2,257.07/3,114.29 = 1,628.53/x
  3. Step 3: Cross multiply
    2,257.07x = 3,114.29 × 1,628.53
  4. Step 4: Simplify right side
    2,257.07x = 5,071,708.29
  5. Step 5: Solve for x
    x = 5,071,708.29/2,257.07
  6. Step 6: Final answer
    x = 2,247.04

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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.