Home / 1,756.51-2,423.36-1,126.98

Finding the Fourth Proportional to 1,756.51, 2,423.36 and 1,126.98

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Solution

The fourth proportional to 1,756.51, 2,423.36 and 1,126.98 is: 1,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.51 : 2,423.36 = 1,126.98 : x
  2. Step 2: Convert to fraction form
    1,756.51/2,423.36 = 1,126.98/x
  3. Step 3: Cross multiply
    1,756.51x = 2,423.36 × 1,126.98
  4. Step 4: Simplify right side
    1,756.51x = 2,731,081.07
  5. Step 5: Solve for x
    x = 2,731,081.07/1,756.51
  6. Step 6: Final answer
    x = 1,554.84

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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.