Home / 1,723.95-2,379.51-1,015.88

Finding the Fourth Proportional to 1,723.95, 2,379.51 and 1,015.88

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Solution

The fourth proportional to 1,723.95, 2,379.51 and 1,015.88 is: 1,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.95 : 2,379.51 = 1,015.88 : x
  2. Step 2: Convert to fraction form
    1,723.95/2,379.51 = 1,015.88/x
  3. Step 3: Cross multiply
    1,723.95x = 2,379.51 × 1,015.88
  4. Step 4: Simplify right side
    1,723.95x = 2,417,284.72
  5. Step 5: Solve for x
    x = 2,417,284.72/1,723.95
  6. Step 6: Final answer
    x = 1,402.18

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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.