Home / 2,389.02-3,290.96-2,033.80

Finding the Fourth Proportional to 2,389.02, 3,290.96 and 2,033.80

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Solution

The fourth proportional to 2,389.02, 3,290.96 and 2,033.80 is: 2,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.02 : 3,290.96 = 2,033.80 : x
  2. Step 2: Convert to fraction form
    2,389.02/3,290.96 = 2,033.80/x
  3. Step 3: Cross multiply
    2,389.02x = 3,290.96 × 2,033.80
  4. Step 4: Simplify right side
    2,389.02x = 6,693,154.45
  5. Step 5: Solve for x
    x = 6,693,154.45/2,389.02
  6. Step 6: Final answer
    x = 2,801.63

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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.