Home / 2,285.02-3,428.55-1,362.40

Finding the Fourth Proportional to 2,285.02, 3,428.55 and 1,362.40

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Solution

The fourth proportional to 2,285.02, 3,428.55 and 1,362.40 is: 2,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.02 : 3,428.55 = 1,362.40 : x
  2. Step 2: Convert to fraction form
    2,285.02/3,428.55 = 1,362.40/x
  3. Step 3: Cross multiply
    2,285.02x = 3,428.55 × 1,362.40
  4. Step 4: Simplify right side
    2,285.02x = 4,671,056.52
  5. Step 5: Solve for x
    x = 4,671,056.52/2,285.02
  6. Step 6: Final answer
    x = 2,044.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.