Home / 1,716.03-2,364.12-1,420.38

Finding the Fourth Proportional to 1,716.03, 2,364.12 and 1,420.38

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Solution

The fourth proportional to 1,716.03, 2,364.12 and 1,420.38 is: 1,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.03 : 2,364.12 = 1,420.38 : x
  2. Step 2: Convert to fraction form
    1,716.03/2,364.12 = 1,420.38/x
  3. Step 3: Cross multiply
    1,716.03x = 2,364.12 × 1,420.38
  4. Step 4: Simplify right side
    1,716.03x = 3,357,948.77
  5. Step 5: Solve for x
    x = 3,357,948.77/1,716.03
  6. Step 6: Final answer
    x = 1,956.81

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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.