Home / 1,899.02-2,622.49-1,478.03

Finding the Fourth Proportional to 1,899.02, 2,622.49 and 1,478.03

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Solution

The fourth proportional to 1,899.02, 2,622.49 and 1,478.03 is: 2,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.02 : 2,622.49 = 1,478.03 : x
  2. Step 2: Convert to fraction form
    1,899.02/2,622.49 = 1,478.03/x
  3. Step 3: Cross multiply
    1,899.02x = 2,622.49 × 1,478.03
  4. Step 4: Simplify right side
    1,899.02x = 3,876,102.09
  5. Step 5: Solve for x
    x = 3,876,102.09/1,899.02
  6. Step 6: Final answer
    x = 2,041.10

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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.