Home / 2,740.04-4,108.70-890.93

Finding the Fourth Proportional to 2,740.04, 4,108.70 and 890.93

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Solution

The fourth proportional to 2,740.04, 4,108.70 and 890.93 is: 1,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.04 : 4,108.70 = 890.93 : x
  2. Step 2: Convert to fraction form
    2,740.04/4,108.70 = 890.93/x
  3. Step 3: Cross multiply
    2,740.04x = 4,108.70 × 890.93
  4. Step 4: Simplify right side
    2,740.04x = 3,660,539.09
  5. Step 5: Solve for x
    x = 3,660,539.09/2,740.04
  6. Step 6: Final answer
    x = 1,335.94

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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.