Home / 2,280.31-3,146.65-1,492.99

Finding the Fourth Proportional to 2,280.31, 3,146.65 and 1,492.99

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Solution

The fourth proportional to 2,280.31, 3,146.65 and 1,492.99 is: 2,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.31 : 3,146.65 = 1,492.99 : x
  2. Step 2: Convert to fraction form
    2,280.31/3,146.65 = 1,492.99/x
  3. Step 3: Cross multiply
    2,280.31x = 3,146.65 × 1,492.99
  4. Step 4: Simplify right side
    2,280.31x = 4,697,916.98
  5. Step 5: Solve for x
    x = 4,697,916.98/2,280.31
  6. Step 6: Final answer
    x = 2,060.21

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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.