Home / 2,904.39-4,008.15-1,709.47

Finding the Fourth Proportional to 2,904.39, 4,008.15 and 1,709.47

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Solution

The fourth proportional to 2,904.39, 4,008.15 and 1,709.47 is: 2,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.39 : 4,008.15 = 1,709.47 : x
  2. Step 2: Convert to fraction form
    2,904.39/4,008.15 = 1,709.47/x
  3. Step 3: Cross multiply
    2,904.39x = 4,008.15 × 1,709.47
  4. Step 4: Simplify right side
    2,904.39x = 6,851,812.18
  5. Step 5: Solve for x
    x = 6,851,812.18/2,904.39
  6. Step 6: Final answer
    x = 2,359.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.