Home / 2,914.30-4,369.01-1,158.20

Finding the Fourth Proportional to 2,914.30, 4,369.01 and 1,158.20

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Solution

The fourth proportional to 2,914.30, 4,369.01 and 1,158.20 is: 1,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.30 : 4,369.01 = 1,158.20 : x
  2. Step 2: Convert to fraction form
    2,914.30/4,369.01 = 1,158.20/x
  3. Step 3: Cross multiply
    2,914.30x = 4,369.01 × 1,158.20
  4. Step 4: Simplify right side
    2,914.30x = 5,060,159.75
  5. Step 5: Solve for x
    x = 5,060,159.75/2,914.30
  6. Step 6: Final answer
    x = 1,736.32

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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.