Home / 1,810.45-2,715.13-944.29

Finding the Fourth Proportional to 1,810.45, 2,715.13 and 944.29

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Solution

The fourth proportional to 1,810.45, 2,715.13 and 944.29 is: 1,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.45 : 2,715.13 = 944.29 : x
  2. Step 2: Convert to fraction form
    1,810.45/2,715.13 = 944.29/x
  3. Step 3: Cross multiply
    1,810.45x = 2,715.13 × 944.29
  4. Step 4: Simplify right side
    1,810.45x = 2,563,870.11
  5. Step 5: Solve for x
    x = 2,563,870.11/1,810.45
  6. Step 6: Final answer
    x = 1,416.15

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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.