Home / 2,783.10-4,174.29-1,051.50

Finding the Fourth Proportional to 2,783.10, 4,174.29 and 1,051.50

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Solution

The fourth proportional to 2,783.10, 4,174.29 and 1,051.50 is: 1,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.10 : 4,174.29 = 1,051.50 : x
  2. Step 2: Convert to fraction form
    2,783.10/4,174.29 = 1,051.50/x
  3. Step 3: Cross multiply
    2,783.10x = 4,174.29 × 1,051.50
  4. Step 4: Simplify right side
    2,783.10x = 4,389,265.94
  5. Step 5: Solve for x
    x = 4,389,265.94/2,783.10
  6. Step 6: Final answer
    x = 1,577.11

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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.