Home / 2,077.51-3,117.44-1,103.60

Finding the Fourth Proportional to 2,077.51, 3,117.44 and 1,103.60

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Solution

The fourth proportional to 2,077.51, 3,117.44 and 1,103.60 is: 1,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.51 : 3,117.44 = 1,103.60 : x
  2. Step 2: Convert to fraction form
    2,077.51/3,117.44 = 1,103.60/x
  3. Step 3: Cross multiply
    2,077.51x = 3,117.44 × 1,103.60
  4. Step 4: Simplify right side
    2,077.51x = 3,440,406.78
  5. Step 5: Solve for x
    x = 3,440,406.78/2,077.51
  6. Step 6: Final answer
    x = 1,656.02

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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.