Home / 2,389.15-3,298.14-1,593.80

Finding the Fourth Proportional to 2,389.15, 3,298.14 and 1,593.80

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Solution

The fourth proportional to 2,389.15, 3,298.14 and 1,593.80 is: 2,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.15 : 3,298.14 = 1,593.80 : x
  2. Step 2: Convert to fraction form
    2,389.15/3,298.14 = 1,593.80/x
  3. Step 3: Cross multiply
    2,389.15x = 3,298.14 × 1,593.80
  4. Step 4: Simplify right side
    2,389.15x = 5,256,551.07
  5. Step 5: Solve for x
    x = 5,256,551.07/2,389.15
  6. Step 6: Final answer
    x = 2,200.18

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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.