Home / 1,922.28-2,653.56-1,325.58

Finding the Fourth Proportional to 1,922.28, 2,653.56 and 1,325.58

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Solution

The fourth proportional to 1,922.28, 2,653.56 and 1,325.58 is: 1,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.28 : 2,653.56 = 1,325.58 : x
  2. Step 2: Convert to fraction form
    1,922.28/2,653.56 = 1,325.58/x
  3. Step 3: Cross multiply
    1,922.28x = 2,653.56 × 1,325.58
  4. Step 4: Simplify right side
    1,922.28x = 3,517,506.06
  5. Step 5: Solve for x
    x = 3,517,506.06/1,922.28
  6. Step 6: Final answer
    x = 1,829.86

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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.