Home / 2,191.04-3,024.24-1,307.44

Finding the Fourth Proportional to 2,191.04, 3,024.24 and 1,307.44

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Solution

The fourth proportional to 2,191.04, 3,024.24 and 1,307.44 is: 1,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.04 : 3,024.24 = 1,307.44 : x
  2. Step 2: Convert to fraction form
    2,191.04/3,024.24 = 1,307.44/x
  3. Step 3: Cross multiply
    2,191.04x = 3,024.24 × 1,307.44
  4. Step 4: Simplify right side
    2,191.04x = 3,954,012.35
  5. Step 5: Solve for x
    x = 3,954,012.35/2,191.04
  6. Step 6: Final answer
    x = 1,804.63

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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.