Home / 2,783.67-4,176.06-1,140.36

Finding the Fourth Proportional to 2,783.67, 4,176.06 and 1,140.36

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Solution

The fourth proportional to 2,783.67, 4,176.06 and 1,140.36 is: 1,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.67 : 4,176.06 = 1,140.36 : x
  2. Step 2: Convert to fraction form
    2,783.67/4,176.06 = 1,140.36/x
  3. Step 3: Cross multiply
    2,783.67x = 4,176.06 × 1,140.36
  4. Step 4: Simplify right side
    2,783.67x = 4,762,211.78
  5. Step 5: Solve for x
    x = 4,762,211.78/2,783.67
  6. Step 6: Final answer
    x = 1,710.77

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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.