Home / 2,904.21-4,008.44-1,786.10

Finding the Fourth Proportional to 2,904.21, 4,008.44 and 1,786.10

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Solution

The fourth proportional to 2,904.21, 4,008.44 and 1,786.10 is: 2,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.21 : 4,008.44 = 1,786.10 : x
  2. Step 2: Convert to fraction form
    2,904.21/4,008.44 = 1,786.10/x
  3. Step 3: Cross multiply
    2,904.21x = 4,008.44 × 1,786.10
  4. Step 4: Simplify right side
    2,904.21x = 7,159,445.71
  5. Step 5: Solve for x
    x = 7,159,445.71/2,904.21
  6. Step 6: Final answer
    x = 2,465.20

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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.