Home / 2,503.02-3,454.10-1,383.90

Finding the Fourth Proportional to 2,503.02, 3,454.10 and 1,383.90

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Solution

The fourth proportional to 2,503.02, 3,454.10 and 1,383.90 is: 1,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.02 : 3,454.10 = 1,383.90 : x
  2. Step 2: Convert to fraction form
    2,503.02/3,454.10 = 1,383.90/x
  3. Step 3: Cross multiply
    2,503.02x = 3,454.10 × 1,383.90
  4. Step 4: Simplify right side
    2,503.02x = 4,780,128.99
  5. Step 5: Solve for x
    x = 4,780,128.99/2,503.02
  6. Step 6: Final answer
    x = 1,909.74

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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.