Home / 1,725.25-2,585.56-846.40

Finding the Fourth Proportional to 1,725.25, 2,585.56 and 846.40

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Solution

The fourth proportional to 1,725.25, 2,585.56 and 846.40 is: 1,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.25 : 2,585.56 = 846.40 : x
  2. Step 2: Convert to fraction form
    1,725.25/2,585.56 = 846.40/x
  3. Step 3: Cross multiply
    1,725.25x = 2,585.56 × 846.40
  4. Step 4: Simplify right side
    1,725.25x = 2,188,417.98
  5. Step 5: Solve for x
    x = 2,188,417.98/1,725.25
  6. Step 6: Final answer
    x = 1,268.46

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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.