Home / 1,719.65-2,562.56-1,615.77

Finding the Fourth Proportional to 1,719.65, 2,562.56 and 1,615.77

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Solution

The fourth proportional to 1,719.65, 2,562.56 and 1,615.77 is: 2,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.65 : 2,562.56 = 1,615.77 : x
  2. Step 2: Convert to fraction form
    1,719.65/2,562.56 = 1,615.77/x
  3. Step 3: Cross multiply
    1,719.65x = 2,562.56 × 1,615.77
  4. Step 4: Simplify right side
    1,719.65x = 4,140,507.57
  5. Step 5: Solve for x
    x = 4,140,507.57/1,719.65
  6. Step 6: Final answer
    x = 2,407.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.