Home / 2,390.16-3,294.12-1,768.08

Finding the Fourth Proportional to 2,390.16, 3,294.12 and 1,768.08

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Solution

The fourth proportional to 2,390.16, 3,294.12 and 1,768.08 is: 2,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.16 : 3,294.12 = 1,768.08 : x
  2. Step 2: Convert to fraction form
    2,390.16/3,294.12 = 1,768.08/x
  3. Step 3: Cross multiply
    2,390.16x = 3,294.12 × 1,768.08
  4. Step 4: Simplify right side
    2,390.16x = 5,824,267.69
  5. Step 5: Solve for x
    x = 5,824,267.69/2,390.16
  6. Step 6: Final answer
    x = 2,436.77

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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.