Home / 2,013.50-2,779.44-1,269.12

Finding the Fourth Proportional to 2,013.50, 2,779.44 and 1,269.12

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Solution

The fourth proportional to 2,013.50, 2,779.44 and 1,269.12 is: 1,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.50 : 2,779.44 = 1,269.12 : x
  2. Step 2: Convert to fraction form
    2,013.50/2,779.44 = 1,269.12/x
  3. Step 3: Cross multiply
    2,013.50x = 2,779.44 × 1,269.12
  4. Step 4: Simplify right side
    2,013.50x = 3,527,442.89
  5. Step 5: Solve for x
    x = 3,527,442.89/2,013.50
  6. Step 6: Final answer
    x = 1,751.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.