Home / 2,823.84-3,895.12-1,762.20

Finding the Fourth Proportional to 2,823.84, 3,895.12 and 1,762.20

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Solution

The fourth proportional to 2,823.84, 3,895.12 and 1,762.20 is: 2,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.84 : 3,895.12 = 1,762.20 : x
  2. Step 2: Convert to fraction form
    2,823.84/3,895.12 = 1,762.20/x
  3. Step 3: Cross multiply
    2,823.84x = 3,895.12 × 1,762.20
  4. Step 4: Simplify right side
    2,823.84x = 6,863,980.46
  5. Step 5: Solve for x
    x = 6,863,980.46/2,823.84
  6. Step 6: Final answer
    x = 2,430.73

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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.