Home / 2,705.04-4,058.91-1,243.80

Finding the Fourth Proportional to 2,705.04, 4,058.91 and 1,243.80

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Solution

The fourth proportional to 2,705.04, 4,058.91 and 1,243.80 is: 1,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.04 : 4,058.91 = 1,243.80 : x
  2. Step 2: Convert to fraction form
    2,705.04/4,058.91 = 1,243.80/x
  3. Step 3: Cross multiply
    2,705.04x = 4,058.91 × 1,243.80
  4. Step 4: Simplify right side
    2,705.04x = 5,048,472.26
  5. Step 5: Solve for x
    x = 5,048,472.26/2,705.04
  6. Step 6: Final answer
    x = 1,866.32

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1.5x scale

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.