Home / 1,839.99-2,534.33-1,420.37

Finding the Fourth Proportional to 1,839.99, 2,534.33 and 1,420.37

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Solution

The fourth proportional to 1,839.99, 2,534.33 and 1,420.37 is: 1,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.99 : 2,534.33 = 1,420.37 : x
  2. Step 2: Convert to fraction form
    1,839.99/2,534.33 = 1,420.37/x
  3. Step 3: Cross multiply
    1,839.99x = 2,534.33 × 1,420.37
  4. Step 4: Simplify right side
    1,839.99x = 3,599,666.53
  5. Step 5: Solve for x
    x = 3,599,666.53/1,839.99
  6. Step 6: Final answer
    x = 1,956.35

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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.