Home / 2,727.85-3,762.30-2,309.35

Finding the Fourth Proportional to 2,727.85, 3,762.30 and 2,309.35

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Solution

The fourth proportional to 2,727.85, 3,762.30 and 2,309.35 is: 3,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.85 : 3,762.30 = 2,309.35 : x
  2. Step 2: Convert to fraction form
    2,727.85/3,762.30 = 2,309.35/x
  3. Step 3: Cross multiply
    2,727.85x = 3,762.30 × 2,309.35
  4. Step 4: Simplify right side
    2,727.85x = 8,688,467.51
  5. Step 5: Solve for x
    x = 8,688,467.51/2,727.85
  6. Step 6: Final answer
    x = 3,185.10

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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.