Home / 2,916.56-4,374.30-942.23

Finding the Fourth Proportional to 2,916.56, 4,374.30 and 942.23

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Solution

The fourth proportional to 2,916.56, 4,374.30 and 942.23 is: 1,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.56 : 4,374.30 = 942.23 : x
  2. Step 2: Convert to fraction form
    2,916.56/4,374.30 = 942.23/x
  3. Step 3: Cross multiply
    2,916.56x = 4,374.30 × 942.23
  4. Step 4: Simplify right side
    2,916.56x = 4,121,574.82
  5. Step 5: Solve for x
    x = 4,121,574.82/2,916.56
  6. Step 6: Final answer
    x = 1,413.17

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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.