Home / 1,768.06-2,440.08-1,325.20

Finding the Fourth Proportional to 1,768.06, 2,440.08 and 1,325.20

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Solution

The fourth proportional to 1,768.06, 2,440.08 and 1,325.20 is: 1,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.06 : 2,440.08 = 1,325.20 : x
  2. Step 2: Convert to fraction form
    1,768.06/2,440.08 = 1,325.20/x
  3. Step 3: Cross multiply
    1,768.06x = 2,440.08 × 1,325.20
  4. Step 4: Simplify right side
    1,768.06x = 3,233,594.02
  5. Step 5: Solve for x
    x = 3,233,594.02/1,768.06
  6. Step 6: Final answer
    x = 1,828.89

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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.