Home / 3,088.86-4,263.19-1,970.14

Finding the Fourth Proportional to 3,088.86, 4,263.19 and 1,970.14

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Solution

The fourth proportional to 3,088.86, 4,263.19 and 1,970.14 is: 2,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.86 : 4,263.19 = 1,970.14 : x
  2. Step 2: Convert to fraction form
    3,088.86/4,263.19 = 1,970.14/x
  3. Step 3: Cross multiply
    3,088.86x = 4,263.19 × 1,970.14
  4. Step 4: Simplify right side
    3,088.86x = 8,399,065.56
  5. Step 5: Solve for x
    x = 8,399,065.56/3,088.86
  6. Step 6: Final answer
    x = 2,719.15

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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.