Home / 1,783.06-2,674.23-1,240.18

Finding the Fourth Proportional to 1,783.06, 2,674.23 and 1,240.18

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Solution

The fourth proportional to 1,783.06, 2,674.23 and 1,240.18 is: 1,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.06 : 2,674.23 = 1,240.18 : x
  2. Step 2: Convert to fraction form
    1,783.06/2,674.23 = 1,240.18/x
  3. Step 3: Cross multiply
    1,783.06x = 2,674.23 × 1,240.18
  4. Step 4: Simplify right side
    1,783.06x = 3,316,526.56
  5. Step 5: Solve for x
    x = 3,316,526.56/1,783.06
  6. Step 6: Final answer
    x = 1,860.02

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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.