Home / 2,582.80-3,846.86-2,570.21

Finding the Fourth Proportional to 2,582.80, 3,846.86 and 2,570.21

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Solution

The fourth proportional to 2,582.80, 3,846.86 and 2,570.21 is: 3,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.80 : 3,846.86 = 2,570.21 : x
  2. Step 2: Convert to fraction form
    2,582.80/3,846.86 = 2,570.21/x
  3. Step 3: Cross multiply
    2,582.80x = 3,846.86 × 2,570.21
  4. Step 4: Simplify right side
    2,582.80x = 9,887,225.19
  5. Step 5: Solve for x
    x = 9,887,225.19/2,582.80
  6. Step 6: Final answer
    x = 3,828.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.