Home / 2,277.35-3,139.05-1,646.99

Finding the Fourth Proportional to 2,277.35, 3,139.05 and 1,646.99

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Solution

The fourth proportional to 2,277.35, 3,139.05 and 1,646.99 is: 2,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.35 : 3,139.05 = 1,646.99 : x
  2. Step 2: Convert to fraction form
    2,277.35/3,139.05 = 1,646.99/x
  3. Step 3: Cross multiply
    2,277.35x = 3,139.05 × 1,646.99
  4. Step 4: Simplify right side
    2,277.35x = 5,169,968.26
  5. Step 5: Solve for x
    x = 5,169,968.26/2,277.35
  6. Step 6: Final answer
    x = 2,270.17

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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.