Home / 1,826.48-2,740.13-528.05

Finding the Fourth Proportional to 1,826.48, 2,740.13 and 528.05

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Solution

The fourth proportional to 1,826.48, 2,740.13 and 528.05 is: 792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.48 : 2,740.13 = 528.05 : x
  2. Step 2: Convert to fraction form
    1,826.48/2,740.13 = 528.05/x
  3. Step 3: Cross multiply
    1,826.48x = 2,740.13 × 528.05
  4. Step 4: Simplify right side
    1,826.48x = 1,446,925.65
  5. Step 5: Solve for x
    x = 1,446,925.65/1,826.48
  6. Step 6: Final answer
    x = 792.19

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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.