Home / 1,454.02-2,181.06-480.13

Finding the Fourth Proportional to 1,454.02, 2,181.06 and 480.13

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Solution

The fourth proportional to 1,454.02, 2,181.06 and 480.13 is: 720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.02 : 2,181.06 = 480.13 : x
  2. Step 2: Convert to fraction form
    1,454.02/2,181.06 = 480.13/x
  3. Step 3: Cross multiply
    1,454.02x = 2,181.06 × 480.13
  4. Step 4: Simplify right side
    1,454.02x = 1,047,186.89
  5. Step 5: Solve for x
    x = 1,047,186.89/1,454.02
  6. Step 6: Final answer
    x = 720.20

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Double scale
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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.