Home / 3,070.30-4,237.53-1,811.67

Finding the Fourth Proportional to 3,070.30, 4,237.53 and 1,811.67

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Solution

The fourth proportional to 3,070.30, 4,237.53 and 1,811.67 is: 2,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.30 : 4,237.53 = 1,811.67 : x
  2. Step 2: Convert to fraction form
    3,070.30/4,237.53 = 1,811.67/x
  3. Step 3: Cross multiply
    3,070.30x = 4,237.53 × 1,811.67
  4. Step 4: Simplify right side
    3,070.30x = 7,677,005.98
  5. Step 5: Solve for x
    x = 7,677,005.98/3,070.30
  6. Step 6: Final answer
    x = 2,500.41

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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.