Home / 2,782.50-4,170.51-1,549.32

Finding the Fourth Proportional to 2,782.50, 4,170.51 and 1,549.32

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Solution

The fourth proportional to 2,782.50, 4,170.51 and 1,549.32 is: 2,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.50 : 4,170.51 = 1,549.32 : x
  2. Step 2: Convert to fraction form
    2,782.50/4,170.51 = 1,549.32/x
  3. Step 3: Cross multiply
    2,782.50x = 4,170.51 × 1,549.32
  4. Step 4: Simplify right side
    2,782.50x = 6,461,454.55
  5. Step 5: Solve for x
    x = 6,461,454.55/2,782.50
  6. Step 6: Final answer
    x = 2,322.18

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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.