Home / 2,746.51-4,120.07-1,922.74

Finding the Fourth Proportional to 2,746.51, 4,120.07 and 1,922.74

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Solution

The fourth proportional to 2,746.51, 4,120.07 and 1,922.74 is: 2,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.51 : 4,120.07 = 1,922.74 : x
  2. Step 2: Convert to fraction form
    2,746.51/4,120.07 = 1,922.74/x
  3. Step 3: Cross multiply
    2,746.51x = 4,120.07 × 1,922.74
  4. Step 4: Simplify right side
    2,746.51x = 7,921,803.48
  5. Step 5: Solve for x
    x = 7,921,803.48/2,746.51
  6. Step 6: Final answer
    x = 2,884.32

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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.