Home / 2,878.48-4,316.10-1,418.32

Finding the Fourth Proportional to 2,878.48, 4,316.10 and 1,418.32

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Solution

The fourth proportional to 2,878.48, 4,316.10 and 1,418.32 is: 2,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.48 : 4,316.10 = 1,418.32 : x
  2. Step 2: Convert to fraction form
    2,878.48/4,316.10 = 1,418.32/x
  3. Step 3: Cross multiply
    2,878.48x = 4,316.10 × 1,418.32
  4. Step 4: Simplify right side
    2,878.48x = 6,121,610.95
  5. Step 5: Solve for x
    x = 6,121,610.95/2,878.48
  6. Step 6: Final answer
    x = 2,126.68

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1.5x scale

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.