Home / 3,620.79-5,430.36-1,023.93

Finding the Fourth Proportional to 3,620.79, 5,430.36 and 1,023.93

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Solution

The fourth proportional to 3,620.79, 5,430.36 and 1,023.93 is: 1,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.79 : 5,430.36 = 1,023.93 : x
  2. Step 2: Convert to fraction form
    3,620.79/5,430.36 = 1,023.93/x
  3. Step 3: Cross multiply
    3,620.79x = 5,430.36 × 1,023.93
  4. Step 4: Simplify right side
    3,620.79x = 5,560,308.51
  5. Step 5: Solve for x
    x = 5,560,308.51/3,620.79
  6. Step 6: Final answer
    x = 1,535.66

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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.