Home / 1,224.16-1,836.28-444.32

Finding the Fourth Proportional to 1,224.16, 1,836.28 and 444.32

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Solution

The fourth proportional to 1,224.16, 1,836.28 and 444.32 is: 666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.16 : 1,836.28 = 444.32 : x
  2. Step 2: Convert to fraction form
    1,224.16/1,836.28 = 444.32/x
  3. Step 3: Cross multiply
    1,224.16x = 1,836.28 × 444.32
  4. Step 4: Simplify right side
    1,224.16x = 815,895.93
  5. Step 5: Solve for x
    x = 815,895.93/1,224.16
  6. Step 6: Final answer
    x = 666.49

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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.