Home / 2,012.34-2,778.93-1,903.26

Finding the Fourth Proportional to 2,012.34, 2,778.93 and 1,903.26

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Solution

The fourth proportional to 2,012.34, 2,778.93 and 1,903.26 is: 2,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.34 : 2,778.93 = 1,903.26 : x
  2. Step 2: Convert to fraction form
    2,012.34/2,778.93 = 1,903.26/x
  3. Step 3: Cross multiply
    2,012.34x = 2,778.93 × 1,903.26
  4. Step 4: Simplify right side
    2,012.34x = 5,289,026.31
  5. Step 5: Solve for x
    x = 5,289,026.31/2,012.34
  6. Step 6: Final answer
    x = 2,628.30

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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.