Home / 1,756.98-2,423.56-1,127.29

Finding the Fourth Proportional to 1,756.98, 2,423.56 and 1,127.29

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Solution

The fourth proportional to 1,756.98, 2,423.56 and 1,127.29 is: 1,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.98 : 2,423.56 = 1,127.29 : x
  2. Step 2: Convert to fraction form
    1,756.98/2,423.56 = 1,127.29/x
  3. Step 3: Cross multiply
    1,756.98x = 2,423.56 × 1,127.29
  4. Step 4: Simplify right side
    1,756.98x = 2,732,054.95
  5. Step 5: Solve for x
    x = 2,732,054.95/1,756.98
  6. Step 6: Final answer
    x = 1,554.97

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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.