Home / 2,845.10-4,259.32-2,117.93

Finding the Fourth Proportional to 2,845.10, 4,259.32 and 2,117.93

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Solution

The fourth proportional to 2,845.10, 4,259.32 and 2,117.93 is: 3,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.10 : 4,259.32 = 2,117.93 : x
  2. Step 2: Convert to fraction form
    2,845.10/4,259.32 = 2,117.93/x
  3. Step 3: Cross multiply
    2,845.10x = 4,259.32 × 2,117.93
  4. Step 4: Simplify right side
    2,845.10x = 9,020,915.02
  5. Step 5: Solve for x
    x = 9,020,915.02/2,845.10
  6. Step 6: Final answer
    x = 3,170.68

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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.