Home / 2,982.07-4,116.59-2,609.47

Finding the Fourth Proportional to 2,982.07, 4,116.59 and 2,609.47

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Solution

The fourth proportional to 2,982.07, 4,116.59 and 2,609.47 is: 3,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.07 : 4,116.59 = 2,609.47 : x
  2. Step 2: Convert to fraction form
    2,982.07/4,116.59 = 2,609.47/x
  3. Step 3: Cross multiply
    2,982.07x = 4,116.59 × 2,609.47
  4. Step 4: Simplify right side
    2,982.07x = 10,742,118.11
  5. Step 5: Solve for x
    x = 10,742,118.11/2,982.07
  6. Step 6: Final answer
    x = 3,602.24

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1.5x scale

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.