Home / 2,389.08-3,295.40-1,946

Finding the Fourth Proportional to 2,389.08, 3,295.40 and 1,946

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Solution

The fourth proportional to 2,389.08, 3,295.40 and 1,946 is: 2,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.08 : 3,295.40 = 1,946 : x
  2. Step 2: Convert to fraction form
    2,389.08/3,295.40 = 1,946/x
  3. Step 3: Cross multiply
    2,389.08x = 3,295.40 × 1,946
  4. Step 4: Simplify right side
    2,389.08x = 6,412,848.40
  5. Step 5: Solve for x
    x = 6,412,848.40/2,389.08
  6. Step 6: Final answer
    x = 2,684.23

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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.