Home / 2,385.48-3,291.39-1,826.58

Finding the Fourth Proportional to 2,385.48, 3,291.39 and 1,826.58

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Solution

The fourth proportional to 2,385.48, 3,291.39 and 1,826.58 is: 2,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.48 : 3,291.39 = 1,826.58 : x
  2. Step 2: Convert to fraction form
    2,385.48/3,291.39 = 1,826.58/x
  3. Step 3: Cross multiply
    2,385.48x = 3,291.39 × 1,826.58
  4. Step 4: Simplify right side
    2,385.48x = 6,011,987.15
  5. Step 5: Solve for x
    x = 6,011,987.15/2,385.48
  6. Step 6: Final answer
    x = 2,520.24

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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.