Home / 2,938.51-4,054.93-1,612.18

Finding the Fourth Proportional to 2,938.51, 4,054.93 and 1,612.18

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Solution

The fourth proportional to 2,938.51, 4,054.93 and 1,612.18 is: 2,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.51 : 4,054.93 = 1,612.18 : x
  2. Step 2: Convert to fraction form
    2,938.51/4,054.93 = 1,612.18/x
  3. Step 3: Cross multiply
    2,938.51x = 4,054.93 × 1,612.18
  4. Step 4: Simplify right side
    2,938.51x = 6,537,277.05
  5. Step 5: Solve for x
    x = 6,537,277.05/2,938.51
  6. Step 6: Final answer
    x = 2,224.69

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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.