Home / 1,848.24-2,771.76-1,555.80

Finding the Fourth Proportional to 1,848.24, 2,771.76 and 1,555.80

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Solution

The fourth proportional to 1,848.24, 2,771.76 and 1,555.80 is: 2,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.24 : 2,771.76 = 1,555.80 : x
  2. Step 2: Convert to fraction form
    1,848.24/2,771.76 = 1,555.80/x
  3. Step 3: Cross multiply
    1,848.24x = 2,771.76 × 1,555.80
  4. Step 4: Simplify right side
    1,848.24x = 4,312,304.21
  5. Step 5: Solve for x
    x = 4,312,304.21/1,848.24
  6. Step 6: Final answer
    x = 2,333.19

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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.