Home / 3,070.08-4,237.02-1,811.52

Finding the Fourth Proportional to 3,070.08, 4,237.02 and 1,811.52

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Solution

The fourth proportional to 3,070.08, 4,237.02 and 1,811.52 is: 2,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.08 : 4,237.02 = 1,811.52 : x
  2. Step 2: Convert to fraction form
    3,070.08/4,237.02 = 1,811.52/x
  3. Step 3: Cross multiply
    3,070.08x = 4,237.02 × 1,811.52
  4. Step 4: Simplify right side
    3,070.08x = 7,675,446.47
  5. Step 5: Solve for x
    x = 7,675,446.47/3,070.08
  6. Step 6: Final answer
    x = 2,500.08

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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.