Home / 1,725.58-2,380.35-1,017.30

Finding the Fourth Proportional to 1,725.58, 2,380.35 and 1,017.30

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Solution

The fourth proportional to 1,725.58, 2,380.35 and 1,017.30 is: 1,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.58 : 2,380.35 = 1,017.30 : x
  2. Step 2: Convert to fraction form
    1,725.58/2,380.35 = 1,017.30/x
  3. Step 3: Cross multiply
    1,725.58x = 2,380.35 × 1,017.30
  4. Step 4: Simplify right side
    1,725.58x = 2,421,530.06
  5. Step 5: Solve for x
    x = 2,421,530.06/1,725.58
  6. Step 6: Final answer
    x = 1,403.31

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1.5x scale

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.