Home / 2,457.06-3,390.66-1,408.92

Finding the Fourth Proportional to 2,457.06, 3,390.66 and 1,408.92

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Solution

The fourth proportional to 2,457.06, 3,390.66 and 1,408.92 is: 1,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.06 : 3,390.66 = 1,408.92 : x
  2. Step 2: Convert to fraction form
    2,457.06/3,390.66 = 1,408.92/x
  3. Step 3: Cross multiply
    2,457.06x = 3,390.66 × 1,408.92
  4. Step 4: Simplify right side
    2,457.06x = 4,777,168.69
  5. Step 5: Solve for x
    x = 4,777,168.69/2,457.06
  6. Step 6: Final answer
    x = 1,944.26

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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.