Home / 2,458.15-3,688.13-1,159.31

Finding the Fourth Proportional to 2,458.15, 3,688.13 and 1,159.31

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Solution

The fourth proportional to 2,458.15, 3,688.13 and 1,159.31 is: 1,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.15 : 3,688.13 = 1,159.31 : x
  2. Step 2: Convert to fraction form
    2,458.15/3,688.13 = 1,159.31/x
  3. Step 3: Cross multiply
    2,458.15x = 3,688.13 × 1,159.31
  4. Step 4: Simplify right side
    2,458.15x = 4,275,698.11
  5. Step 5: Solve for x
    x = 4,275,698.11/2,458.15
  6. Step 6: Final answer
    x = 1,739.40

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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.