Home / 2,699.19-4,048.28-1,237.98

Finding the Fourth Proportional to 2,699.19, 4,048.28 and 1,237.98

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Solution

The fourth proportional to 2,699.19, 4,048.28 and 1,237.98 is: 1,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.19 : 4,048.28 = 1,237.98 : x
  2. Step 2: Convert to fraction form
    2,699.19/4,048.28 = 1,237.98/x
  3. Step 3: Cross multiply
    2,699.19x = 4,048.28 × 1,237.98
  4. Step 4: Simplify right side
    2,699.19x = 5,011,703.31
  5. Step 5: Solve for x
    x = 5,011,703.31/2,699.19
  6. Step 6: Final answer
    x = 1,856.74

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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.