Home / 2,623.59-3,621.98-1,914.67

Finding the Fourth Proportional to 2,623.59, 3,621.98 and 1,914.67

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Solution

The fourth proportional to 2,623.59, 3,621.98 and 1,914.67 is: 2,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.59 : 3,621.98 = 1,914.67 : x
  2. Step 2: Convert to fraction form
    2,623.59/3,621.98 = 1,914.67/x
  3. Step 3: Cross multiply
    2,623.59x = 3,621.98 × 1,914.67
  4. Step 4: Simplify right side
    2,623.59x = 6,934,905.76
  5. Step 5: Solve for x
    x = 6,934,905.76/2,623.59
  6. Step 6: Final answer
    x = 2,643.29

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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.