Home / 1,725.14-2,587.32-846.77

Finding the Fourth Proportional to 1,725.14, 2,587.32 and 846.77

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Solution

The fourth proportional to 1,725.14, 2,587.32 and 846.77 is: 1,269.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.14 : 2,587.32 = 846.77 : x
  2. Step 2: Convert to fraction form
    1,725.14/2,587.32 = 846.77/x
  3. Step 3: Cross multiply
    1,725.14x = 2,587.32 × 846.77
  4. Step 4: Simplify right side
    1,725.14x = 2,190,864.96
  5. Step 5: Solve for x
    x = 2,190,864.96/1,725.14
  6. Step 6: Final answer
    x = 1,269.96

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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.