Home / 3,051.43-4,213.02-1,917.58

Finding the Fourth Proportional to 3,051.43, 4,213.02 and 1,917.58

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Solution

The fourth proportional to 3,051.43, 4,213.02 and 1,917.58 is: 2,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.43 : 4,213.02 = 1,917.58 : x
  2. Step 2: Convert to fraction form
    3,051.43/4,213.02 = 1,917.58/x
  3. Step 3: Cross multiply
    3,051.43x = 4,213.02 × 1,917.58
  4. Step 4: Simplify right side
    3,051.43x = 8,078,802.89
  5. Step 5: Solve for x
    x = 8,078,802.89/3,051.43
  6. Step 6: Final answer
    x = 2,647.55

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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.