Home / 3,407.51-5,106.98-1,457.42

Finding the Fourth Proportional to 3,407.51, 5,106.98 and 1,457.42

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Solution

The fourth proportional to 3,407.51, 5,106.98 and 1,457.42 is: 2,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.51 : 5,106.98 = 1,457.42 : x
  2. Step 2: Convert to fraction form
    3,407.51/5,106.98 = 1,457.42/x
  3. Step 3: Cross multiply
    3,407.51x = 5,106.98 × 1,457.42
  4. Step 4: Simplify right side
    3,407.51x = 7,442,992.90
  5. Step 5: Solve for x
    x = 7,442,992.90/3,407.51
  6. Step 6: Final answer
    x = 2,184.29

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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.