Home / 2,398.77-3,311.61-1,837.49

Finding the Fourth Proportional to 2,398.77, 3,311.61 and 1,837.49

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Solution

The fourth proportional to 2,398.77, 3,311.61 and 1,837.49 is: 2,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.77 : 3,311.61 = 1,837.49 : x
  2. Step 2: Convert to fraction form
    2,398.77/3,311.61 = 1,837.49/x
  3. Step 3: Cross multiply
    2,398.77x = 3,311.61 × 1,837.49
  4. Step 4: Simplify right side
    2,398.77x = 6,085,050.26
  5. Step 5: Solve for x
    x = 6,085,050.26/2,398.77
  6. Step 6: Final answer
    x = 2,536.74

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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.