Home / 2,237.10-3,085.41-1,396.20

Finding the Fourth Proportional to 2,237.10, 3,085.41 and 1,396.20

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Solution

The fourth proportional to 2,237.10, 3,085.41 and 1,396.20 is: 1,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.10 : 3,085.41 = 1,396.20 : x
  2. Step 2: Convert to fraction form
    2,237.10/3,085.41 = 1,396.20/x
  3. Step 3: Cross multiply
    2,237.10x = 3,085.41 × 1,396.20
  4. Step 4: Simplify right side
    2,237.10x = 4,307,849.44
  5. Step 5: Solve for x
    x = 4,307,849.44/2,237.10
  6. Step 6: Final answer
    x = 1,925.64

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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.