Home / 1,228.53-1,835.28-1,012.26

Finding the Fourth Proportional to 1,228.53, 1,835.28 and 1,012.26

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Solution

The fourth proportional to 1,228.53, 1,835.28 and 1,012.26 is: 1,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.53 : 1,835.28 = 1,012.26 : x
  2. Step 2: Convert to fraction form
    1,228.53/1,835.28 = 1,012.26/x
  3. Step 3: Cross multiply
    1,228.53x = 1,835.28 × 1,012.26
  4. Step 4: Simplify right side
    1,228.53x = 1,857,780.53
  5. Step 5: Solve for x
    x = 1,857,780.53/1,228.53
  6. Step 6: Final answer
    x = 1,512.20

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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.