Home / 1,854.85-2,784.10-1,846.19

Finding the Fourth Proportional to 1,854.85, 2,784.10 and 1,846.19

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Solution

The fourth proportional to 1,854.85, 2,784.10 and 1,846.19 is: 2,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.85 : 2,784.10 = 1,846.19 : x
  2. Step 2: Convert to fraction form
    1,854.85/2,784.10 = 1,846.19/x
  3. Step 3: Cross multiply
    1,854.85x = 2,784.10 × 1,846.19
  4. Step 4: Simplify right side
    1,854.85x = 5,139,978.19
  5. Step 5: Solve for x
    x = 5,139,978.19/1,854.85
  6. Step 6: Final answer
    x = 2,771.10

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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.