Home / 2,080.13-2,870.87-1,334.93

Finding the Fourth Proportional to 2,080.13, 2,870.87 and 1,334.93

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Solution

The fourth proportional to 2,080.13, 2,870.87 and 1,334.93 is: 1,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.13 : 2,870.87 = 1,334.93 : x
  2. Step 2: Convert to fraction form
    2,080.13/2,870.87 = 1,334.93/x
  3. Step 3: Cross multiply
    2,080.13x = 2,870.87 × 1,334.93
  4. Step 4: Simplify right side
    2,080.13x = 3,832,403.81
  5. Step 5: Solve for x
    x = 3,832,403.81/2,080.13
  6. Step 6: Final answer
    x = 1,842.39

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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.