Home / 2,370.23-3,554.57-1,120.70

Finding the Fourth Proportional to 2,370.23, 3,554.57 and 1,120.70

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Solution

The fourth proportional to 2,370.23, 3,554.57 and 1,120.70 is: 1,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.23 : 3,554.57 = 1,120.70 : x
  2. Step 2: Convert to fraction form
    2,370.23/3,554.57 = 1,120.70/x
  3. Step 3: Cross multiply
    2,370.23x = 3,554.57 × 1,120.70
  4. Step 4: Simplify right side
    2,370.23x = 3,983,583.22
  5. Step 5: Solve for x
    x = 3,983,583.22/2,370.23
  6. Step 6: Final answer
    x = 1,680.68

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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.