Home / 1,841.12-2,536.08-1,720.16

Finding the Fourth Proportional to 1,841.12, 2,536.08 and 1,720.16

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Solution

The fourth proportional to 1,841.12, 2,536.08 and 1,720.16 is: 2,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.12 : 2,536.08 = 1,720.16 : x
  2. Step 2: Convert to fraction form
    1,841.12/2,536.08 = 1,720.16/x
  3. Step 3: Cross multiply
    1,841.12x = 2,536.08 × 1,720.16
  4. Step 4: Simplify right side
    1,841.12x = 4,362,463.37
  5. Step 5: Solve for x
    x = 4,362,463.37/1,841.12
  6. Step 6: Final answer
    x = 2,369.46

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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.