Home / 4,178.49-5,764.71-2,386.07

Finding the Fourth Proportional to 4,178.49, 5,764.71 and 2,386.07

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Solution

The fourth proportional to 4,178.49, 5,764.71 and 2,386.07 is: 3,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.49 : 5,764.71 = 2,386.07 : x
  2. Step 2: Convert to fraction form
    4,178.49/5,764.71 = 2,386.07/x
  3. Step 3: Cross multiply
    4,178.49x = 5,764.71 × 2,386.07
  4. Step 4: Simplify right side
    4,178.49x = 13,754,972.77
  5. Step 5: Solve for x
    x = 13,754,972.77/4,178.49
  6. Step 6: Final answer
    x = 3,291.85

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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.