Home / 2,740.19-4,110.23-891.30

Finding the Fourth Proportional to 2,740.19, 4,110.23 and 891.30

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Solution

The fourth proportional to 2,740.19, 4,110.23 and 891.30 is: 1,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.19 : 4,110.23 = 891.30 : x
  2. Step 2: Convert to fraction form
    2,740.19/4,110.23 = 891.30/x
  3. Step 3: Cross multiply
    2,740.19x = 4,110.23 × 891.30
  4. Step 4: Simplify right side
    2,740.19x = 3,663,448.00
  5. Step 5: Solve for x
    x = 3,663,448.00/2,740.19
  6. Step 6: Final answer
    x = 1,336.93

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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.