Home / 1,708.48-2,357.10-1,119.34

Finding the Fourth Proportional to 1,708.48, 2,357.10 and 1,119.34

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Solution

The fourth proportional to 1,708.48, 2,357.10 and 1,119.34 is: 1,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.48 : 2,357.10 = 1,119.34 : x
  2. Step 2: Convert to fraction form
    1,708.48/2,357.10 = 1,119.34/x
  3. Step 3: Cross multiply
    1,708.48x = 2,357.10 × 1,119.34
  4. Step 4: Simplify right side
    1,708.48x = 2,638,396.31
  5. Step 5: Solve for x
    x = 2,638,396.31/1,708.48
  6. Step 6: Final answer
    x = 1,544.29

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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.