Home / 2,990.23-4,484.73-1,140.93

Finding the Fourth Proportional to 2,990.23, 4,484.73 and 1,140.93

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Solution

The fourth proportional to 2,990.23, 4,484.73 and 1,140.93 is: 1,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.23 : 4,484.73 = 1,140.93 : x
  2. Step 2: Convert to fraction form
    2,990.23/4,484.73 = 1,140.93/x
  3. Step 3: Cross multiply
    2,990.23x = 4,484.73 × 1,140.93
  4. Step 4: Simplify right side
    2,990.23x = 5,116,763.00
  5. Step 5: Solve for x
    x = 5,116,763.00/2,990.23
  6. Step 6: Final answer
    x = 1,711.16

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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.