Home / 2,808.38-3,875.41-1,612.53

Finding the Fourth Proportional to 2,808.38, 3,875.41 and 1,612.53

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Solution

The fourth proportional to 2,808.38, 3,875.41 and 1,612.53 is: 2,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.38 : 3,875.41 = 1,612.53 : x
  2. Step 2: Convert to fraction form
    2,808.38/3,875.41 = 1,612.53/x
  3. Step 3: Cross multiply
    2,808.38x = 3,875.41 × 1,612.53
  4. Step 4: Simplify right side
    2,808.38x = 6,249,232.34
  5. Step 5: Solve for x
    x = 6,249,232.34/2,808.38
  6. Step 6: Final answer
    x = 2,225.21

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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.