Home / 1,707.87-2,355.54-1,102.02

Finding the Fourth Proportional to 1,707.87, 2,355.54 and 1,102.02

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Solution

The fourth proportional to 1,707.87, 2,355.54 and 1,102.02 is: 1,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.87 : 2,355.54 = 1,102.02 : x
  2. Step 2: Convert to fraction form
    1,707.87/2,355.54 = 1,102.02/x
  3. Step 3: Cross multiply
    1,707.87x = 2,355.54 × 1,102.02
  4. Step 4: Simplify right side
    1,707.87x = 2,595,852.19
  5. Step 5: Solve for x
    x = 2,595,852.19/1,707.87
  6. Step 6: Final answer
    x = 1,519.94

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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.