Home / 3,457.74-5,186.43-1,266.30

Finding the Fourth Proportional to 3,457.74, 5,186.43 and 1,266.30

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Solution

The fourth proportional to 3,457.74, 5,186.43 and 1,266.30 is: 1,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.74 : 5,186.43 = 1,266.30 : x
  2. Step 2: Convert to fraction form
    3,457.74/5,186.43 = 1,266.30/x
  3. Step 3: Cross multiply
    3,457.74x = 5,186.43 × 1,266.30
  4. Step 4: Simplify right side
    3,457.74x = 6,567,566.51
  5. Step 5: Solve for x
    x = 6,567,566.51/3,457.74
  6. Step 6: Final answer
    x = 1,899.38

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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.