Home / 2,989.35-4,503.98-2,753.19

Finding the Fourth Proportional to 2,989.35, 4,503.98 and 2,753.19

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Solution

The fourth proportional to 2,989.35, 4,503.98 and 2,753.19 is: 4,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.35 : 4,503.98 = 2,753.19 : x
  2. Step 2: Convert to fraction form
    2,989.35/4,503.98 = 2,753.19/x
  3. Step 3: Cross multiply
    2,989.35x = 4,503.98 × 2,753.19
  4. Step 4: Simplify right side
    2,989.35x = 12,400,319.58
  5. Step 5: Solve for x
    x = 12,400,319.58/2,989.35
  6. Step 6: Final answer
    x = 4,148.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.