Home / 2,036.40-3,058.20-1,971.60

Finding the Fourth Proportional to 2,036.40, 3,058.20 and 1,971.60

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Solution

The fourth proportional to 2,036.40, 3,058.20 and 1,971.60 is: 2,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.40 : 3,058.20 = 1,971.60 : x
  2. Step 2: Convert to fraction form
    2,036.40/3,058.20 = 1,971.60/x
  3. Step 3: Cross multiply
    2,036.40x = 3,058.20 × 1,971.60
  4. Step 4: Simplify right side
    2,036.40x = 6,029,547.12
  5. Step 5: Solve for x
    x = 6,029,547.12/2,036.40
  6. Step 6: Final answer
    x = 2,960.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.