Home / 3,409.90-5,106.65-2,368.64

Finding the Fourth Proportional to 3,409.90, 5,106.65 and 2,368.64

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Solution

The fourth proportional to 3,409.90, 5,106.65 and 2,368.64 is: 3,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.90 : 5,106.65 = 2,368.64 : x
  2. Step 2: Convert to fraction form
    3,409.90/5,106.65 = 2,368.64/x
  3. Step 3: Cross multiply
    3,409.90x = 5,106.65 × 2,368.64
  4. Step 4: Simplify right side
    3,409.90x = 12,095,816.38
  5. Step 5: Solve for x
    x = 12,095,816.38/3,409.90
  6. Step 6: Final answer
    x = 3,547.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.