Home / 2,491.48-3,437.53-1,607.79

Finding the Fourth Proportional to 2,491.48, 3,437.53 and 1,607.79

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Solution

The fourth proportional to 2,491.48, 3,437.53 and 1,607.79 is: 2,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.48 : 3,437.53 = 1,607.79 : x
  2. Step 2: Convert to fraction form
    2,491.48/3,437.53 = 1,607.79/x
  3. Step 3: Cross multiply
    2,491.48x = 3,437.53 × 1,607.79
  4. Step 4: Simplify right side
    2,491.48x = 5,526,826.36
  5. Step 5: Solve for x
    x = 5,526,826.36/2,491.48
  6. Step 6: Final answer
    x = 2,218.29

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1.5x scale

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.