Home / 3,742.80-5,615.48-2,354.51

Finding the Fourth Proportional to 3,742.80, 5,615.48 and 2,354.51

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Solution

The fourth proportional to 3,742.80, 5,615.48 and 2,354.51 is: 3,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.80 : 5,615.48 = 2,354.51 : x
  2. Step 2: Convert to fraction form
    3,742.80/5,615.48 = 2,354.51/x
  3. Step 3: Cross multiply
    3,742.80x = 5,615.48 × 2,354.51
  4. Step 4: Simplify right side
    3,742.80x = 13,221,703.81
  5. Step 5: Solve for x
    x = 13,221,703.81/3,742.80
  6. Step 6: Final answer
    x = 3,532.57

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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.