Home / 3,406.48-5,106.68-1,457.68

Finding the Fourth Proportional to 3,406.48, 5,106.68 and 1,457.68

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Solution

The fourth proportional to 3,406.48, 5,106.68 and 1,457.68 is: 2,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.48 : 5,106.68 = 1,457.68 : x
  2. Step 2: Convert to fraction form
    3,406.48/5,106.68 = 1,457.68/x
  3. Step 3: Cross multiply
    3,406.48x = 5,106.68 × 1,457.68
  4. Step 4: Simplify right side
    3,406.48x = 7,443,905.30
  5. Step 5: Solve for x
    x = 7,443,905.30/3,406.48
  6. Step 6: Final answer
    x = 2,185.22

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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.