Home / 3,098.77-4,277.98-2,389.06

Finding the Fourth Proportional to 3,098.77, 4,277.98 and 2,389.06

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Solution

The fourth proportional to 3,098.77, 4,277.98 and 2,389.06 is: 3,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.77 : 4,277.98 = 2,389.06 : x
  2. Step 2: Convert to fraction form
    3,098.77/4,277.98 = 2,389.06/x
  3. Step 3: Cross multiply
    3,098.77x = 4,277.98 × 2,389.06
  4. Step 4: Simplify right side
    3,098.77x = 10,220,345.79
  5. Step 5: Solve for x
    x = 10,220,345.79/3,098.77
  6. Step 6: Final answer
    x = 3,298.19

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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.