Home / 3,103.47-4,283.60-2,055.15

Finding the Fourth Proportional to 3,103.47, 4,283.60 and 2,055.15

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Solution

The fourth proportional to 3,103.47, 4,283.60 and 2,055.15 is: 2,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.47 : 4,283.60 = 2,055.15 : x
  2. Step 2: Convert to fraction form
    3,103.47/4,283.60 = 2,055.15/x
  3. Step 3: Cross multiply
    3,103.47x = 4,283.60 × 2,055.15
  4. Step 4: Simplify right side
    3,103.47x = 8,803,430.26
  5. Step 5: Solve for x
    x = 8,803,430.26/3,103.47
  6. Step 6: Final answer
    x = 2,836.64

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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.