Home / 2,370.30-3,555.45-1,275.18

Finding the Fourth Proportional to 2,370.30, 3,555.45 and 1,275.18

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Solution

The fourth proportional to 2,370.30, 3,555.45 and 1,275.18 is: 1,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.30 : 3,555.45 = 1,275.18 : x
  2. Step 2: Convert to fraction form
    2,370.30/3,555.45 = 1,275.18/x
  3. Step 3: Cross multiply
    2,370.30x = 3,555.45 × 1,275.18
  4. Step 4: Simplify right side
    2,370.30x = 4,533,838.73
  5. Step 5: Solve for x
    x = 4,533,838.73/2,370.30
  6. Step 6: Final answer
    x = 1,912.77

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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.