Home / 3,088.36-4,260.20-1,953.68

Finding the Fourth Proportional to 3,088.36, 4,260.20 and 1,953.68

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Solution

The fourth proportional to 3,088.36, 4,260.20 and 1,953.68 is: 2,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.36 : 4,260.20 = 1,953.68 : x
  2. Step 2: Convert to fraction form
    3,088.36/4,260.20 = 1,953.68/x
  3. Step 3: Cross multiply
    3,088.36x = 4,260.20 × 1,953.68
  4. Step 4: Simplify right side
    3,088.36x = 8,323,062.85
  5. Step 5: Solve for x
    x = 8,323,062.85/3,088.36
  6. Step 6: Final answer
    x = 2,694.98

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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.