Home / 1,715.44-2,558.60-1,457.32

Finding the Fourth Proportional to 1,715.44, 2,558.60 and 1,457.32

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Solution

The fourth proportional to 1,715.44, 2,558.60 and 1,457.32 is: 2,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.44 : 2,558.60 = 1,457.32 : x
  2. Step 2: Convert to fraction form
    1,715.44/2,558.60 = 1,457.32/x
  3. Step 3: Cross multiply
    1,715.44x = 2,558.60 × 1,457.32
  4. Step 4: Simplify right side
    1,715.44x = 3,728,698.95
  5. Step 5: Solve for x
    x = 3,728,698.95/1,715.44
  6. Step 6: Final answer
    x = 2,173.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.