Home / 3,078.29-4,246.59-2,238.63

Finding the Fourth Proportional to 3,078.29, 4,246.59 and 2,238.63

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Solution

The fourth proportional to 3,078.29, 4,246.59 and 2,238.63 is: 3,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.29 : 4,246.59 = 2,238.63 : x
  2. Step 2: Convert to fraction form
    3,078.29/4,246.59 = 2,238.63/x
  3. Step 3: Cross multiply
    3,078.29x = 4,246.59 × 2,238.63
  4. Step 4: Simplify right side
    3,078.29x = 9,506,543.77
  5. Step 5: Solve for x
    x = 9,506,543.77/3,078.29
  6. Step 6: Final answer
    x = 3,088.25

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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.