Home / 2,938.48-4,054.97-1,612.15

Finding the Fourth Proportional to 2,938.48, 4,054.97 and 1,612.15

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Solution

The fourth proportional to 2,938.48, 4,054.97 and 1,612.15 is: 2,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.48 : 4,054.97 = 1,612.15 : x
  2. Step 2: Convert to fraction form
    2,938.48/4,054.97 = 1,612.15/x
  3. Step 3: Cross multiply
    2,938.48x = 4,054.97 × 1,612.15
  4. Step 4: Simplify right side
    2,938.48x = 6,537,216.89
  5. Step 5: Solve for x
    x = 6,537,216.89/2,938.48
  6. Step 6: Final answer
    x = 2,224.70

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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.