Home / 1,676.70-2,312.33-1,047.29

Finding the Fourth Proportional to 1,676.70, 2,312.33 and 1,047.29

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Solution

The fourth proportional to 1,676.70, 2,312.33 and 1,047.29 is: 1,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.70 : 2,312.33 = 1,047.29 : x
  2. Step 2: Convert to fraction form
    1,676.70/2,312.33 = 1,047.29/x
  3. Step 3: Cross multiply
    1,676.70x = 2,312.33 × 1,047.29
  4. Step 4: Simplify right side
    1,676.70x = 2,421,663.29
  5. Step 5: Solve for x
    x = 2,421,663.29/1,676.70
  6. Step 6: Final answer
    x = 1,444.30

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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.