Home / 2,878.93-4,318.80-1,418.10

Finding the Fourth Proportional to 2,878.93, 4,318.80 and 1,418.10

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Solution

The fourth proportional to 2,878.93, 4,318.80 and 1,418.10 is: 2,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.93 : 4,318.80 = 1,418.10 : x
  2. Step 2: Convert to fraction form
    2,878.93/4,318.80 = 1,418.10/x
  3. Step 3: Cross multiply
    2,878.93x = 4,318.80 × 1,418.10
  4. Step 4: Simplify right side
    2,878.93x = 6,124,490.28
  5. Step 5: Solve for x
    x = 6,124,490.28/2,878.93
  6. Step 6: Final answer
    x = 2,127.35

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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.