Home / 1,708.13-2,357.30-1,000.19

Finding the Fourth Proportional to 1,708.13, 2,357.30 and 1,000.19

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Solution

The fourth proportional to 1,708.13, 2,357.30 and 1,000.19 is: 1,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.13 : 2,357.30 = 1,000.19 : x
  2. Step 2: Convert to fraction form
    1,708.13/2,357.30 = 1,000.19/x
  3. Step 3: Cross multiply
    1,708.13x = 2,357.30 × 1,000.19
  4. Step 4: Simplify right side
    1,708.13x = 2,357,747.89
  5. Step 5: Solve for x
    x = 2,357,747.89/1,708.13
  6. Step 6: Final answer
    x = 1,380.31

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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.