Home / 3,070.37-4,237.04-1,811.50

Finding the Fourth Proportional to 3,070.37, 4,237.04 and 1,811.50

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Solution

The fourth proportional to 3,070.37, 4,237.04 and 1,811.50 is: 2,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.37 : 4,237.04 = 1,811.50 : x
  2. Step 2: Convert to fraction form
    3,070.37/4,237.04 = 1,811.50/x
  3. Step 3: Cross multiply
    3,070.37x = 4,237.04 × 1,811.50
  4. Step 4: Simplify right side
    3,070.37x = 7,675,391.90
  5. Step 5: Solve for x
    x = 7,675,391.90/3,070.37
  6. Step 6: Final answer
    x = 2,499.82

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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.