Home / 1,484.20-2,226.69-444.22

Finding the Fourth Proportional to 1,484.20, 2,226.69 and 444.22

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Solution

The fourth proportional to 1,484.20, 2,226.69 and 444.22 is: 666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.20 : 2,226.69 = 444.22 : x
  2. Step 2: Convert to fraction form
    1,484.20/2,226.69 = 444.22/x
  3. Step 3: Cross multiply
    1,484.20x = 2,226.69 × 444.22
  4. Step 4: Simplify right side
    1,484.20x = 989,140.23
  5. Step 5: Solve for x
    x = 989,140.23/1,484.20
  6. Step 6: Final answer
    x = 666.45

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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.