Home / 2,808.56-4,210.40-1,713.84

Finding the Fourth Proportional to 2,808.56, 4,210.40 and 1,713.84

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Solution

The fourth proportional to 2,808.56, 4,210.40 and 1,713.84 is: 2,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.56 : 4,210.40 = 1,713.84 : x
  2. Step 2: Convert to fraction form
    2,808.56/4,210.40 = 1,713.84/x
  3. Step 3: Cross multiply
    2,808.56x = 4,210.40 × 1,713.84
  4. Step 4: Simplify right side
    2,808.56x = 7,215,943.37
  5. Step 5: Solve for x
    x = 7,215,943.37/2,808.56
  6. Step 6: Final answer
    x = 2,569.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.