Home / 3,110.10-4,291.84-1,783.77

Finding the Fourth Proportional to 3,110.10, 4,291.84 and 1,783.77

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Solution

The fourth proportional to 3,110.10, 4,291.84 and 1,783.77 is: 2,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.10 : 4,291.84 = 1,783.77 : x
  2. Step 2: Convert to fraction form
    3,110.10/4,291.84 = 1,783.77/x
  3. Step 3: Cross multiply
    3,110.10x = 4,291.84 × 1,783.77
  4. Step 4: Simplify right side
    3,110.10x = 7,655,655.68
  5. Step 5: Solve for x
    x = 7,655,655.68/3,110.10
  6. Step 6: Final answer
    x = 2,461.55

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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.