Home / 3,215.93-4,825.70-1,484.55

Finding the Fourth Proportional to 3,215.93, 4,825.70 and 1,484.55

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Solution

The fourth proportional to 3,215.93, 4,825.70 and 1,484.55 is: 2,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.93 : 4,825.70 = 1,484.55 : x
  2. Step 2: Convert to fraction form
    3,215.93/4,825.70 = 1,484.55/x
  3. Step 3: Cross multiply
    3,215.93x = 4,825.70 × 1,484.55
  4. Step 4: Simplify right side
    3,215.93x = 7,163,985.51
  5. Step 5: Solve for x
    x = 7,163,985.51/3,215.93
  6. Step 6: Final answer
    x = 2,227.66

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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.