Home / 4,077.95-5,630.19-2,803.95

Finding the Fourth Proportional to 4,077.95, 5,630.19 and 2,803.95

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Solution

The fourth proportional to 4,077.95, 5,630.19 and 2,803.95 is: 3,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.95 : 5,630.19 = 2,803.95 : x
  2. Step 2: Convert to fraction form
    4,077.95/5,630.19 = 2,803.95/x
  3. Step 3: Cross multiply
    4,077.95x = 5,630.19 × 2,803.95
  4. Step 4: Simplify right side
    4,077.95x = 15,786,771.25
  5. Step 5: Solve for x
    x = 15,786,771.25/4,077.95
  6. Step 6: Final answer
    x = 3,871.25

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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.