Home / 1,716.48-2,362.20-1,642.67

Finding the Fourth Proportional to 1,716.48, 2,362.20 and 1,642.67

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Solution

The fourth proportional to 1,716.48, 2,362.20 and 1,642.67 is: 2,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.48 : 2,362.20 = 1,642.67 : x
  2. Step 2: Convert to fraction form
    1,716.48/2,362.20 = 1,642.67/x
  3. Step 3: Cross multiply
    1,716.48x = 2,362.20 × 1,642.67
  4. Step 4: Simplify right side
    1,716.48x = 3,880,303.26
  5. Step 5: Solve for x
    x = 3,880,303.26/1,716.48
  6. Step 6: Final answer
    x = 2,260.62

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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.