Home / 2,917.48-4,367.58-1,889.32

Finding the Fourth Proportional to 2,917.48, 4,367.58 and 1,889.32

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Solution

The fourth proportional to 2,917.48, 4,367.58 and 1,889.32 is: 2,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.48 : 4,367.58 = 1,889.32 : x
  2. Step 2: Convert to fraction form
    2,917.48/4,367.58 = 1,889.32/x
  3. Step 3: Cross multiply
    2,917.48x = 4,367.58 × 1,889.32
  4. Step 4: Simplify right side
    2,917.48x = 8,251,756.25
  5. Step 5: Solve for x
    x = 8,251,756.25/2,917.48
  6. Step 6: Final answer
    x = 2,828.38

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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.