Home / 1,259.04-1,883.68-1,165.12

Finding the Fourth Proportional to 1,259.04, 1,883.68 and 1,165.12

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Solution

The fourth proportional to 1,259.04, 1,883.68 and 1,165.12 is: 1,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.04 : 1,883.68 = 1,165.12 : x
  2. Step 2: Convert to fraction form
    1,259.04/1,883.68 = 1,165.12/x
  3. Step 3: Cross multiply
    1,259.04x = 1,883.68 × 1,165.12
  4. Step 4: Simplify right side
    1,259.04x = 2,194,713.24
  5. Step 5: Solve for x
    x = 2,194,713.24/1,259.04
  6. Step 6: Final answer
    x = 1,743.16

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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.