Home / 3,180.60-4,389.48-1,854.27

Finding the Fourth Proportional to 3,180.60, 4,389.48 and 1,854.27

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Solution

The fourth proportional to 3,180.60, 4,389.48 and 1,854.27 is: 2,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.60 : 4,389.48 = 1,854.27 : x
  2. Step 2: Convert to fraction form
    3,180.60/4,389.48 = 1,854.27/x
  3. Step 3: Cross multiply
    3,180.60x = 4,389.48 × 1,854.27
  4. Step 4: Simplify right side
    3,180.60x = 8,139,281.08
  5. Step 5: Solve for x
    x = 8,139,281.08/3,180.60
  6. Step 6: Final answer
    x = 2,559.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.