Home / 1,816.17-2,719.40-1,492.98

Finding the Fourth Proportional to 1,816.17, 2,719.40 and 1,492.98

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Solution

The fourth proportional to 1,816.17, 2,719.40 and 1,492.98 is: 2,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.17 : 2,719.40 = 1,492.98 : x
  2. Step 2: Convert to fraction form
    1,816.17/2,719.40 = 1,492.98/x
  3. Step 3: Cross multiply
    1,816.17x = 2,719.40 × 1,492.98
  4. Step 4: Simplify right side
    1,816.17x = 4,060,002.35
  5. Step 5: Solve for x
    x = 4,060,002.35/1,816.17
  6. Step 6: Final answer
    x = 2,235.47

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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.