Home / 2,549.94-3,518.91-1,430.90

Finding the Fourth Proportional to 2,549.94, 3,518.91 and 1,430.90

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Solution

The fourth proportional to 2,549.94, 3,518.91 and 1,430.90 is: 1,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.94 : 3,518.91 = 1,430.90 : x
  2. Step 2: Convert to fraction form
    2,549.94/3,518.91 = 1,430.90/x
  3. Step 3: Cross multiply
    2,549.94x = 3,518.91 × 1,430.90
  4. Step 4: Simplify right side
    2,549.94x = 5,035,208.32
  5. Step 5: Solve for x
    x = 5,035,208.32/2,549.94
  6. Step 6: Final answer
    x = 1,974.64

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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.