Home / 2,623.23-3,618.14-1,783.67

Finding the Fourth Proportional to 2,623.23, 3,618.14 and 1,783.67

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Solution

The fourth proportional to 2,623.23, 3,618.14 and 1,783.67 is: 2,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.23 : 3,618.14 = 1,783.67 : x
  2. Step 2: Convert to fraction form
    2,623.23/3,618.14 = 1,783.67/x
  3. Step 3: Cross multiply
    2,623.23x = 3,618.14 × 1,783.67
  4. Step 4: Simplify right side
    2,623.23x = 6,453,540.76
  5. Step 5: Solve for x
    x = 6,453,540.76/2,623.23
  6. Step 6: Final answer
    x = 2,460.15

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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.