Home / 3,036.40-4,188.10-2,184.92

Finding the Fourth Proportional to 3,036.40, 4,188.10 and 2,184.92

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Solution

The fourth proportional to 3,036.40, 4,188.10 and 2,184.92 is: 3,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.40 : 4,188.10 = 2,184.92 : x
  2. Step 2: Convert to fraction form
    3,036.40/4,188.10 = 2,184.92/x
  3. Step 3: Cross multiply
    3,036.40x = 4,188.10 × 2,184.92
  4. Step 4: Simplify right side
    3,036.40x = 9,150,663.45
  5. Step 5: Solve for x
    x = 9,150,663.45/3,036.40
  6. Step 6: Final answer
    x = 3,013.66

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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.