Home / 2,904.48-4,329.36-2,671.20

Finding the Fourth Proportional to 2,904.48, 4,329.36 and 2,671.20

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Solution

The fourth proportional to 2,904.48, 4,329.36 and 2,671.20 is: 3,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.48 : 4,329.36 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    2,904.48/4,329.36 = 2,671.20/x
  3. Step 3: Cross multiply
    2,904.48x = 4,329.36 × 2,671.20
  4. Step 4: Simplify right side
    2,904.48x = 11,564,586.43
  5. Step 5: Solve for x
    x = 11,564,586.43/2,904.48
  6. Step 6: Final answer
    x = 3,981.64

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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.