Home / 2,386.04-3,292.76-1,391.92

Finding the Fourth Proportional to 2,386.04, 3,292.76 and 1,391.92

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Solution

The fourth proportional to 2,386.04, 3,292.76 and 1,391.92 is: 1,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.04 : 3,292.76 = 1,391.92 : x
  2. Step 2: Convert to fraction form
    2,386.04/3,292.76 = 1,391.92/x
  3. Step 3: Cross multiply
    2,386.04x = 3,292.76 × 1,391.92
  4. Step 4: Simplify right side
    2,386.04x = 4,583,258.50
  5. Step 5: Solve for x
    x = 4,583,258.50/2,386.04
  6. Step 6: Final answer
    x = 1,920.86

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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.