Home / 2,435.57-3,655.16-1,812.29

Finding the Fourth Proportional to 2,435.57, 3,655.16 and 1,812.29

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Solution

The fourth proportional to 2,435.57, 3,655.16 and 1,812.29 is: 2,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.57 : 3,655.16 = 1,812.29 : x
  2. Step 2: Convert to fraction form
    2,435.57/3,655.16 = 1,812.29/x
  3. Step 3: Cross multiply
    2,435.57x = 3,655.16 × 1,812.29
  4. Step 4: Simplify right side
    2,435.57x = 6,624,209.92
  5. Step 5: Solve for x
    x = 6,624,209.92/2,435.57
  6. Step 6: Final answer
    x = 2,719.78

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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.