Home / 2,807.23-4,211.29-933.18

Finding the Fourth Proportional to 2,807.23, 4,211.29 and 933.18

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Solution

The fourth proportional to 2,807.23, 4,211.29 and 933.18 is: 1,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.23 : 4,211.29 = 933.18 : x
  2. Step 2: Convert to fraction form
    2,807.23/4,211.29 = 933.18/x
  3. Step 3: Cross multiply
    2,807.23x = 4,211.29 × 933.18
  4. Step 4: Simplify right side
    2,807.23x = 3,929,905.06
  5. Step 5: Solve for x
    x = 3,929,905.06/2,807.23
  6. Step 6: Final answer
    x = 1,399.92

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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.