Home / 2,938.35-4,054.98-1,612.05

Finding the Fourth Proportional to 2,938.35, 4,054.98 and 1,612.05

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Solution

The fourth proportional to 2,938.35, 4,054.98 and 1,612.05 is: 2,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.35 : 4,054.98 = 1,612.05 : x
  2. Step 2: Convert to fraction form
    2,938.35/4,054.98 = 1,612.05/x
  3. Step 3: Cross multiply
    2,938.35x = 4,054.98 × 1,612.05
  4. Step 4: Simplify right side
    2,938.35x = 6,536,821.35
  5. Step 5: Solve for x
    x = 6,536,821.35/2,938.35
  6. Step 6: Final answer
    x = 2,224.66

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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.