Home / 2,782.18-4,173.28-2,259.71

Finding the Fourth Proportional to 2,782.18, 4,173.28 and 2,259.71

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Solution

The fourth proportional to 2,782.18, 4,173.28 and 2,259.71 is: 3,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.18 : 4,173.28 = 2,259.71 : x
  2. Step 2: Convert to fraction form
    2,782.18/4,173.28 = 2,259.71/x
  3. Step 3: Cross multiply
    2,782.18x = 4,173.28 × 2,259.71
  4. Step 4: Simplify right side
    2,782.18x = 9,430,402.55
  5. Step 5: Solve for x
    x = 9,430,402.55/2,782.18
  6. Step 6: Final answer
    x = 3,389.57

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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.