Home / 2,055.60-2,833.80-1,269.12

Finding the Fourth Proportional to 2,055.60, 2,833.80 and 1,269.12

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Solution

The fourth proportional to 2,055.60, 2,833.80 and 1,269.12 is: 1,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.60 : 2,833.80 = 1,269.12 : x
  2. Step 2: Convert to fraction form
    2,055.60/2,833.80 = 1,269.12/x
  3. Step 3: Cross multiply
    2,055.60x = 2,833.80 × 1,269.12
  4. Step 4: Simplify right side
    2,055.60x = 3,596,432.26
  5. Step 5: Solve for x
    x = 3,596,432.26/2,055.60
  6. Step 6: Final answer
    x = 1,749.58

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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.