Home / 1,222.40-1,834.52-1,051.04

Finding the Fourth Proportional to 1,222.40, 1,834.52 and 1,051.04

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Solution

The fourth proportional to 1,222.40, 1,834.52 and 1,051.04 is: 1,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.40 : 1,834.52 = 1,051.04 : x
  2. Step 2: Convert to fraction form
    1,222.40/1,834.52 = 1,051.04/x
  3. Step 3: Cross multiply
    1,222.40x = 1,834.52 × 1,051.04
  4. Step 4: Simplify right side
    1,222.40x = 1,928,153.90
  5. Step 5: Solve for x
    x = 1,928,153.90/1,222.40
  6. Step 6: Final answer
    x = 1,577.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.