Home / 3,457.40-5,186.46-1,148.36

Finding the Fourth Proportional to 3,457.40, 5,186.46 and 1,148.36

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Solution

The fourth proportional to 3,457.40, 5,186.46 and 1,148.36 is: 1,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.40 : 5,186.46 = 1,148.36 : x
  2. Step 2: Convert to fraction form
    3,457.40/5,186.46 = 1,148.36/x
  3. Step 3: Cross multiply
    3,457.40x = 5,186.46 × 1,148.36
  4. Step 4: Simplify right side
    3,457.40x = 5,955,923.21
  5. Step 5: Solve for x
    x = 5,955,923.21/3,457.40
  6. Step 6: Final answer
    x = 1,722.66

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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.