Home / 2,972.36-4,458.59-1,124.35

Finding the Fourth Proportional to 2,972.36, 4,458.59 and 1,124.35

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Solution

The fourth proportional to 2,972.36, 4,458.59 and 1,124.35 is: 1,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.36 : 4,458.59 = 1,124.35 : x
  2. Step 2: Convert to fraction form
    2,972.36/4,458.59 = 1,124.35/x
  3. Step 3: Cross multiply
    2,972.36x = 4,458.59 × 1,124.35
  4. Step 4: Simplify right side
    2,972.36x = 5,013,015.67
  5. Step 5: Solve for x
    x = 5,013,015.67/2,972.36
  6. Step 6: Final answer
    x = 1,686.54

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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.