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Finding the Fourth Proportional to 3,088.41, 4,263.41 and 1,970.88

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Solution

The fourth proportional to 3,088.41, 4,263.41 and 1,970.88 is: 2,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.41 : 4,263.41 = 1,970.88 : x
  2. Step 2: Convert to fraction form
    3,088.41/4,263.41 = 1,970.88/x
  3. Step 3: Cross multiply
    3,088.41x = 4,263.41 × 1,970.88
  4. Step 4: Simplify right side
    3,088.41x = 8,402,669.50
  5. Step 5: Solve for x
    x = 8,402,669.50/3,088.41
  6. Step 6: Final answer
    x = 2,720.71

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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.