Home / 2,914.32-4,368.24-1,915.62

Finding the Fourth Proportional to 2,914.32, 4,368.24 and 1,915.62

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Solution

The fourth proportional to 2,914.32, 4,368.24 and 1,915.62 is: 2,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.32 : 4,368.24 = 1,915.62 : x
  2. Step 2: Convert to fraction form
    2,914.32/4,368.24 = 1,915.62/x
  3. Step 3: Cross multiply
    2,914.32x = 4,368.24 × 1,915.62
  4. Step 4: Simplify right side
    2,914.32x = 8,367,887.91
  5. Step 5: Solve for x
    x = 8,367,887.91/2,914.32
  6. Step 6: Final answer
    x = 2,871.30

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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.