Home / 2,389.18-3,297.48-1,504.30

Finding the Fourth Proportional to 2,389.18, 3,297.48 and 1,504.30

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Solution

The fourth proportional to 2,389.18, 3,297.48 and 1,504.30 is: 2,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.18 : 3,297.48 = 1,504.30 : x
  2. Step 2: Convert to fraction form
    2,389.18/3,297.48 = 1,504.30/x
  3. Step 3: Cross multiply
    2,389.18x = 3,297.48 × 1,504.30
  4. Step 4: Simplify right side
    2,389.18x = 4,960,399.16
  5. Step 5: Solve for x
    x = 4,960,399.16/2,389.18
  6. Step 6: Final answer
    x = 2,076.19

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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.