Home / 1,484.42-2,225.06-790.66

Finding the Fourth Proportional to 1,484.42, 2,225.06 and 790.66

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Solution

The fourth proportional to 1,484.42, 2,225.06 and 790.66 is: 1,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.42 : 2,225.06 = 790.66 : x
  2. Step 2: Convert to fraction form
    1,484.42/2,225.06 = 790.66/x
  3. Step 3: Cross multiply
    1,484.42x = 2,225.06 × 790.66
  4. Step 4: Simplify right side
    1,484.42x = 1,759,265.94
  5. Step 5: Solve for x
    x = 1,759,265.94/1,484.42
  6. Step 6: Final answer
    x = 1,185.15

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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.