Home / 1,441.30-2,157.48-1,165.08

Finding the Fourth Proportional to 1,441.30, 2,157.48 and 1,165.08

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Solution

The fourth proportional to 1,441.30, 2,157.48 and 1,165.08 is: 1,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.30 : 2,157.48 = 1,165.08 : x
  2. Step 2: Convert to fraction form
    1,441.30/2,157.48 = 1,165.08/x
  3. Step 3: Cross multiply
    1,441.30x = 2,157.48 × 1,165.08
  4. Step 4: Simplify right side
    1,441.30x = 2,513,636.80
  5. Step 5: Solve for x
    x = 2,513,636.80/1,441.30
  6. Step 6: Final answer
    x = 1,744.01

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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.