Home / 3,355.48-5,038.80-2,812.24

Finding the Fourth Proportional to 3,355.48, 5,038.80 and 2,812.24

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Solution

The fourth proportional to 3,355.48, 5,038.80 and 2,812.24 is: 4,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.48 : 5,038.80 = 2,812.24 : x
  2. Step 2: Convert to fraction form
    3,355.48/5,038.80 = 2,812.24/x
  3. Step 3: Cross multiply
    3,355.48x = 5,038.80 × 2,812.24
  4. Step 4: Simplify right side
    3,355.48x = 14,170,314.91
  5. Step 5: Solve for x
    x = 14,170,314.91/3,355.48
  6. Step 6: Final answer
    x = 4,223.04

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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.