Home / 2,527.50-3,488.29-1,821.68

Finding the Fourth Proportional to 2,527.50, 3,488.29 and 1,821.68

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Solution

The fourth proportional to 2,527.50, 3,488.29 and 1,821.68 is: 2,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.50 : 3,488.29 = 1,821.68 : x
  2. Step 2: Convert to fraction form
    2,527.50/3,488.29 = 1,821.68/x
  3. Step 3: Cross multiply
    2,527.50x = 3,488.29 × 1,821.68
  4. Step 4: Simplify right side
    2,527.50x = 6,354,546.02
  5. Step 5: Solve for x
    x = 6,354,546.02/2,527.50
  6. Step 6: Final answer
    x = 2,514.16

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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.