Home / 3,480.02-4,802.49-1,908.10

Finding the Fourth Proportional to 3,480.02, 4,802.49 and 1,908.10

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Solution

The fourth proportional to 3,480.02, 4,802.49 and 1,908.10 is: 2,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.02 : 4,802.49 = 1,908.10 : x
  2. Step 2: Convert to fraction form
    3,480.02/4,802.49 = 1,908.10/x
  3. Step 3: Cross multiply
    3,480.02x = 4,802.49 × 1,908.10
  4. Step 4: Simplify right side
    3,480.02x = 9,163,607.16
  5. Step 5: Solve for x
    x = 9,163,607.16/3,480.02
  6. Step 6: Final answer
    x = 2,633.21

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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.