Home / 1,748.18-2,619.23-1,457.55

Finding the Fourth Proportional to 1,748.18, 2,619.23 and 1,457.55

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Solution

The fourth proportional to 1,748.18, 2,619.23 and 1,457.55 is: 2,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.18 : 2,619.23 = 1,457.55 : x
  2. Step 2: Convert to fraction form
    1,748.18/2,619.23 = 1,457.55/x
  3. Step 3: Cross multiply
    1,748.18x = 2,619.23 × 1,457.55
  4. Step 4: Simplify right side
    1,748.18x = 3,817,651.40
  5. Step 5: Solve for x
    x = 3,817,651.40/1,748.18
  6. Step 6: Final answer
    x = 2,183.79

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1.5x scale

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.