Home / 1,674.57-2,511.27-1,127.01

Finding the Fourth Proportional to 1,674.57, 2,511.27 and 1,127.01

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Solution

The fourth proportional to 1,674.57, 2,511.27 and 1,127.01 is: 1,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.57 : 2,511.27 = 1,127.01 : x
  2. Step 2: Convert to fraction form
    1,674.57/2,511.27 = 1,127.01/x
  3. Step 3: Cross multiply
    1,674.57x = 2,511.27 × 1,127.01
  4. Step 4: Simplify right side
    1,674.57x = 2,830,226.40
  5. Step 5: Solve for x
    x = 2,830,226.40/1,674.57
  6. Step 6: Final answer
    x = 1,690.12

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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.