Home / 2,870.10-4,304.61-1,408.32

Finding the Fourth Proportional to 2,870.10, 4,304.61 and 1,408.32

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Solution

The fourth proportional to 2,870.10, 4,304.61 and 1,408.32 is: 2,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.10 : 4,304.61 = 1,408.32 : x
  2. Step 2: Convert to fraction form
    2,870.10/4,304.61 = 1,408.32/x
  3. Step 3: Cross multiply
    2,870.10x = 4,304.61 × 1,408.32
  4. Step 4: Simplify right side
    2,870.10x = 6,062,268.36
  5. Step 5: Solve for x
    x = 6,062,268.36/2,870.10
  6. Step 6: Final answer
    x = 2,112.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.