Home / 2,420.03-3,340.74-1,860.30

Finding the Fourth Proportional to 2,420.03, 3,340.74 and 1,860.30

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Solution

The fourth proportional to 2,420.03, 3,340.74 and 1,860.30 is: 2,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.03 : 3,340.74 = 1,860.30 : x
  2. Step 2: Convert to fraction form
    2,420.03/3,340.74 = 1,860.30/x
  3. Step 3: Cross multiply
    2,420.03x = 3,340.74 × 1,860.30
  4. Step 4: Simplify right side
    2,420.03x = 6,214,785.60
  5. Step 5: Solve for x
    x = 6,214,785.60/2,420.03
  6. Step 6: Final answer
    x = 2,568.06

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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.