Home / 2,784.15-4,176.51-1,029.62

Finding the Fourth Proportional to 2,784.15, 4,176.51 and 1,029.62

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Solution

The fourth proportional to 2,784.15, 4,176.51 and 1,029.62 is: 1,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.15 : 4,176.51 = 1,029.62 : x
  2. Step 2: Convert to fraction form
    2,784.15/4,176.51 = 1,029.62/x
  3. Step 3: Cross multiply
    2,784.15x = 4,176.51 × 1,029.62
  4. Step 4: Simplify right side
    2,784.15x = 4,300,224.81
  5. Step 5: Solve for x
    x = 4,300,224.81/2,784.15
  6. Step 6: Final answer
    x = 1,544.54

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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.