Home / 2,812.02-4,214.84-1,403.53

Finding the Fourth Proportional to 2,812.02, 4,214.84 and 1,403.53

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Solution

The fourth proportional to 2,812.02, 4,214.84 and 1,403.53 is: 2,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.02 : 4,214.84 = 1,403.53 : x
  2. Step 2: Convert to fraction form
    2,812.02/4,214.84 = 1,403.53/x
  3. Step 3: Cross multiply
    2,812.02x = 4,214.84 × 1,403.53
  4. Step 4: Simplify right side
    2,812.02x = 5,915,636.83
  5. Step 5: Solve for x
    x = 5,915,636.83/2,812.02
  6. Step 6: Final answer
    x = 2,103.70

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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.