Home / 2,917.12-4,374.54-1,274.44

Finding the Fourth Proportional to 2,917.12, 4,374.54 and 1,274.44

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Solution

The fourth proportional to 2,917.12, 4,374.54 and 1,274.44 is: 1,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.12 : 4,374.54 = 1,274.44 : x
  2. Step 2: Convert to fraction form
    2,917.12/4,374.54 = 1,274.44/x
  3. Step 3: Cross multiply
    2,917.12x = 4,374.54 × 1,274.44
  4. Step 4: Simplify right side
    2,917.12x = 5,575,088.76
  5. Step 5: Solve for x
    x = 5,575,088.76/2,917.12
  6. Step 6: Final answer
    x = 1,911.16

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1.5x scale

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.