Home / 3,389.90-5,084.53-2,802.60

Finding the Fourth Proportional to 3,389.90, 5,084.53 and 2,802.60

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Solution

The fourth proportional to 3,389.90, 5,084.53 and 2,802.60 is: 4,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.90 : 5,084.53 = 2,802.60 : x
  2. Step 2: Convert to fraction form
    3,389.90/5,084.53 = 2,802.60/x
  3. Step 3: Cross multiply
    3,389.90x = 5,084.53 × 2,802.60
  4. Step 4: Simplify right side
    3,389.90x = 14,249,896.77
  5. Step 5: Solve for x
    x = 14,249,896.77/3,389.90
  6. Step 6: Final answer
    x = 4,203.64

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1.5x scale

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.