Home / 2,808.37-3,875.45-1,612.54

Finding the Fourth Proportional to 2,808.37, 3,875.45 and 1,612.54

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Solution

The fourth proportional to 2,808.37, 3,875.45 and 1,612.54 is: 2,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.37 : 3,875.45 = 1,612.54 : x
  2. Step 2: Convert to fraction form
    2,808.37/3,875.45 = 1,612.54/x
  3. Step 3: Cross multiply
    2,808.37x = 3,875.45 × 1,612.54
  4. Step 4: Simplify right side
    2,808.37x = 6,249,314.92
  5. Step 5: Solve for x
    x = 6,249,314.92/2,808.37
  6. Step 6: Final answer
    x = 2,225.25

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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.