Home / 3,010.51-4,154.57-1,684.20

Finding the Fourth Proportional to 3,010.51, 4,154.57 and 1,684.20

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Solution

The fourth proportional to 3,010.51, 4,154.57 and 1,684.20 is: 2,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.51 : 4,154.57 = 1,684.20 : x
  2. Step 2: Convert to fraction form
    3,010.51/4,154.57 = 1,684.20/x
  3. Step 3: Cross multiply
    3,010.51x = 4,154.57 × 1,684.20
  4. Step 4: Simplify right side
    3,010.51x = 6,997,126.79
  5. Step 5: Solve for x
    x = 6,997,126.79/3,010.51
  6. Step 6: Final answer
    x = 2,324.23

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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.