Home / 1,448.02-2,169.12-666.93

Finding the Fourth Proportional to 1,448.02, 2,169.12 and 666.93

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Solution

The fourth proportional to 1,448.02, 2,169.12 and 666.93 is: 999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.02 : 2,169.12 = 666.93 : x
  2. Step 2: Convert to fraction form
    1,448.02/2,169.12 = 666.93/x
  3. Step 3: Cross multiply
    1,448.02x = 2,169.12 × 666.93
  4. Step 4: Simplify right side
    1,448.02x = 1,446,651.20
  5. Step 5: Solve for x
    x = 1,446,651.20/1,448.02
  6. Step 6: Final answer
    x = 999.05

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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.