Home / 1,693.40-2,337.34-1,590.14

Finding the Fourth Proportional to 1,693.40, 2,337.34 and 1,590.14

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Solution

The fourth proportional to 1,693.40, 2,337.34 and 1,590.14 is: 2,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.40 : 2,337.34 = 1,590.14 : x
  2. Step 2: Convert to fraction form
    1,693.40/2,337.34 = 1,590.14/x
  3. Step 3: Cross multiply
    1,693.40x = 2,337.34 × 1,590.14
  4. Step 4: Simplify right side
    1,693.40x = 3,716,682.17
  5. Step 5: Solve for x
    x = 3,716,682.17/1,693.40
  6. Step 6: Final answer
    x = 2,194.81

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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.