Home / 2,503.23-3,454.35-1,384.22

Finding the Fourth Proportional to 2,503.23, 3,454.35 and 1,384.22

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Solution

The fourth proportional to 2,503.23, 3,454.35 and 1,384.22 is: 1,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.23 : 3,454.35 = 1,384.22 : x
  2. Step 2: Convert to fraction form
    2,503.23/3,454.35 = 1,384.22/x
  3. Step 3: Cross multiply
    2,503.23x = 3,454.35 × 1,384.22
  4. Step 4: Simplify right side
    2,503.23x = 4,781,563.09
  5. Step 5: Solve for x
    x = 4,781,563.09/2,503.23
  6. Step 6: Final answer
    x = 1,910.16

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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.