Home / 2,985.32-4,119.14-1,743.08

Finding the Fourth Proportional to 2,985.32, 4,119.14 and 1,743.08

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Solution

The fourth proportional to 2,985.32, 4,119.14 and 1,743.08 is: 2,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.32 : 4,119.14 = 1,743.08 : x
  2. Step 2: Convert to fraction form
    2,985.32/4,119.14 = 1,743.08/x
  3. Step 3: Cross multiply
    2,985.32x = 4,119.14 × 1,743.08
  4. Step 4: Simplify right side
    2,985.32x = 7,179,990.55
  5. Step 5: Solve for x
    x = 7,179,990.55/2,985.32
  6. Step 6: Final answer
    x = 2,405.10

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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.