Home / 3,478.02-5,203.95-2,440.05

Finding the Fourth Proportional to 3,478.02, 5,203.95 and 2,440.05

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Solution

The fourth proportional to 3,478.02, 5,203.95 and 2,440.05 is: 3,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.02 : 5,203.95 = 2,440.05 : x
  2. Step 2: Convert to fraction form
    3,478.02/5,203.95 = 2,440.05/x
  3. Step 3: Cross multiply
    3,478.02x = 5,203.95 × 2,440.05
  4. Step 4: Simplify right side
    3,478.02x = 12,697,859.98
  5. Step 5: Solve for x
    x = 12,697,859.98/3,478.02
  6. Step 6: Final answer
    x = 3,650.89

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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.