Home / 2,880.48-3,973.68-1,885.32

Finding the Fourth Proportional to 2,880.48, 3,973.68 and 1,885.32

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Solution

The fourth proportional to 2,880.48, 3,973.68 and 1,885.32 is: 2,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.48 : 3,973.68 = 1,885.32 : x
  2. Step 2: Convert to fraction form
    2,880.48/3,973.68 = 1,885.32/x
  3. Step 3: Cross multiply
    2,880.48x = 3,973.68 × 1,885.32
  4. Step 4: Simplify right side
    2,880.48x = 7,491,658.38
  5. Step 5: Solve for x
    x = 7,491,658.38/2,880.48
  6. Step 6: Final answer
    x = 2,600.84

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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.