Home / 2,915.01-4,024.21-1,975.77

Finding the Fourth Proportional to 2,915.01, 4,024.21 and 1,975.77

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Solution

The fourth proportional to 2,915.01, 4,024.21 and 1,975.77 is: 2,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.01 : 4,024.21 = 1,975.77 : x
  2. Step 2: Convert to fraction form
    2,915.01/4,024.21 = 1,975.77/x
  3. Step 3: Cross multiply
    2,915.01x = 4,024.21 × 1,975.77
  4. Step 4: Simplify right side
    2,915.01x = 7,950,913.39
  5. Step 5: Solve for x
    x = 7,950,913.39/2,915.01
  6. Step 6: Final answer
    x = 2,727.58

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1.5x scale

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.