Home / 1,664.64-2,501.28-1,474.56

Finding the Fourth Proportional to 1,664.64, 2,501.28 and 1,474.56

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Solution

The fourth proportional to 1,664.64, 2,501.28 and 1,474.56 is: 2,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.64 : 2,501.28 = 1,474.56 : x
  2. Step 2: Convert to fraction form
    1,664.64/2,501.28 = 1,474.56/x
  3. Step 3: Cross multiply
    1,664.64x = 2,501.28 × 1,474.56
  4. Step 4: Simplify right side
    1,664.64x = 3,688,287.44
  5. Step 5: Solve for x
    x = 3,688,287.44/1,664.64
  6. Step 6: Final answer
    x = 2,215.67

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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.