Home / 1,853.48-2,783.86-1,802.36

Finding the Fourth Proportional to 1,853.48, 2,783.86 and 1,802.36

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Solution

The fourth proportional to 1,853.48, 2,783.86 and 1,802.36 is: 2,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.48 : 2,783.86 = 1,802.36 : x
  2. Step 2: Convert to fraction form
    1,853.48/2,783.86 = 1,802.36/x
  3. Step 3: Cross multiply
    1,853.48x = 2,783.86 × 1,802.36
  4. Step 4: Simplify right side
    1,853.48x = 5,017,517.91
  5. Step 5: Solve for x
    x = 5,017,517.91/1,853.48
  6. Step 6: Final answer
    x = 2,707.08

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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.