Home / 2,904.67-4,357.08-713.40

Finding the Fourth Proportional to 2,904.67, 4,357.08 and 713.40

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Solution

The fourth proportional to 2,904.67, 4,357.08 and 713.40 is: 1,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.67 : 4,357.08 = 713.40 : x
  2. Step 2: Convert to fraction form
    2,904.67/4,357.08 = 713.40/x
  3. Step 3: Cross multiply
    2,904.67x = 4,357.08 × 713.40
  4. Step 4: Simplify right side
    2,904.67x = 3,108,340.87
  5. Step 5: Solve for x
    x = 3,108,340.87/2,904.67
  6. Step 6: Final answer
    x = 1,070.12

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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.