Home / 1,749.76-2,415.62-1,161.08

Finding the Fourth Proportional to 1,749.76, 2,415.62 and 1,161.08

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Solution

The fourth proportional to 1,749.76, 2,415.62 and 1,161.08 is: 1,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.76 : 2,415.62 = 1,161.08 : x
  2. Step 2: Convert to fraction form
    1,749.76/2,415.62 = 1,161.08/x
  3. Step 3: Cross multiply
    1,749.76x = 2,415.62 × 1,161.08
  4. Step 4: Simplify right side
    1,749.76x = 2,804,728.07
  5. Step 5: Solve for x
    x = 2,804,728.07/1,749.76
  6. Step 6: Final answer
    x = 1,602.92

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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.