Home / 2,904.89-4,357.34-713.62

Finding the Fourth Proportional to 2,904.89, 4,357.34 and 713.62

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Solution

The fourth proportional to 2,904.89, 4,357.34 and 713.62 is: 1,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.89 : 4,357.34 = 713.62 : x
  2. Step 2: Convert to fraction form
    2,904.89/4,357.34 = 713.62/x
  3. Step 3: Cross multiply
    2,904.89x = 4,357.34 × 713.62
  4. Step 4: Simplify right side
    2,904.89x = 3,109,492.20
  5. Step 5: Solve for x
    x = 3,109,492.20/2,904.89
  6. Step 6: Final answer
    x = 1,070.43

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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.