Home / 2,420.13-3,339.90-1,895.25

Finding the Fourth Proportional to 2,420.13, 3,339.90 and 1,895.25

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Solution

The fourth proportional to 2,420.13, 3,339.90 and 1,895.25 is: 2,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.13 : 3,339.90 = 1,895.25 : x
  2. Step 2: Convert to fraction form
    2,420.13/3,339.90 = 1,895.25/x
  3. Step 3: Cross multiply
    2,420.13x = 3,339.90 × 1,895.25
  4. Step 4: Simplify right side
    2,420.13x = 6,329,945.48
  5. Step 5: Solve for x
    x = 6,329,945.48/2,420.13
  6. Step 6: Final answer
    x = 2,615.54

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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.