Home / 2,810.60-4,186.28-2,684.24

Finding the Fourth Proportional to 2,810.60, 4,186.28 and 2,684.24

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Solution

The fourth proportional to 2,810.60, 4,186.28 and 2,684.24 is: 3,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.60 : 4,186.28 = 2,684.24 : x
  2. Step 2: Convert to fraction form
    2,810.60/4,186.28 = 2,684.24/x
  3. Step 3: Cross multiply
    2,810.60x = 4,186.28 × 2,684.24
  4. Step 4: Simplify right side
    2,810.60x = 11,236,980.23
  5. Step 5: Solve for x
    x = 11,236,980.23/2,810.60
  6. Step 6: Final answer
    x = 3,998.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.