Home / 3,038.72-4,191.35-1,860.37

Finding the Fourth Proportional to 3,038.72, 4,191.35 and 1,860.37

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Solution

The fourth proportional to 3,038.72, 4,191.35 and 1,860.37 is: 2,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.72 : 4,191.35 = 1,860.37 : x
  2. Step 2: Convert to fraction form
    3,038.72/4,191.35 = 1,860.37/x
  3. Step 3: Cross multiply
    3,038.72x = 4,191.35 × 1,860.37
  4. Step 4: Simplify right side
    3,038.72x = 7,797,442.02
  5. Step 5: Solve for x
    x = 7,797,442.02/3,038.72
  6. Step 6: Final answer
    x = 2,566.03

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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.