Home / 1,364.48-2,047.05-440.13

Finding the Fourth Proportional to 1,364.48, 2,047.05 and 440.13

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Solution

The fourth proportional to 1,364.48, 2,047.05 and 440.13 is: 660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.48 : 2,047.05 = 440.13 : x
  2. Step 2: Convert to fraction form
    1,364.48/2,047.05 = 440.13/x
  3. Step 3: Cross multiply
    1,364.48x = 2,047.05 × 440.13
  4. Step 4: Simplify right side
    1,364.48x = 900,968.12
  5. Step 5: Solve for x
    x = 900,968.12/1,364.48
  6. Step 6: Final answer
    x = 660.30

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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.