Home / 2,013.45-2,779.01-1,267.85

Finding the Fourth Proportional to 2,013.45, 2,779.01 and 1,267.85

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Solution

The fourth proportional to 2,013.45, 2,779.01 and 1,267.85 is: 1,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.45 : 2,779.01 = 1,267.85 : x
  2. Step 2: Convert to fraction form
    2,013.45/2,779.01 = 1,267.85/x
  3. Step 3: Cross multiply
    2,013.45x = 2,779.01 × 1,267.85
  4. Step 4: Simplify right side
    2,013.45x = 3,523,347.59
  5. Step 5: Solve for x
    x = 3,523,347.59/2,013.45
  6. Step 6: Final answer
    x = 1,749.91

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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.