Home / 3,480.02-4,803.15-3,199.81

Finding the Fourth Proportional to 3,480.02, 4,803.15 and 3,199.81

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Solution

The fourth proportional to 3,480.02, 4,803.15 and 3,199.81 is: 4,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.02 : 4,803.15 = 3,199.81 : x
  2. Step 2: Convert to fraction form
    3,480.02/4,803.15 = 3,199.81/x
  3. Step 3: Cross multiply
    3,480.02x = 4,803.15 × 3,199.81
  4. Step 4: Simplify right side
    3,480.02x = 15,369,127.39
  5. Step 5: Solve for x
    x = 15,369,127.39/3,480.02
  6. Step 6: Final answer
    x = 4,416.40

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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.