Home / 1,749.40-2,411.58-1,159

Finding the Fourth Proportional to 1,749.40, 2,411.58 and 1,159

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Solution

The fourth proportional to 1,749.40, 2,411.58 and 1,159 is: 1,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.40 : 2,411.58 = 1,159 : x
  2. Step 2: Convert to fraction form
    1,749.40/2,411.58 = 1,159/x
  3. Step 3: Cross multiply
    1,749.40x = 2,411.58 × 1,159
  4. Step 4: Simplify right side
    1,749.40x = 2,795,021.22
  5. Step 5: Solve for x
    x = 2,795,021.22/1,749.40
  6. Step 6: Final answer
    x = 1,597.70

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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.