Home / 2,973.38-4,104.63-2,123.30

Finding the Fourth Proportional to 2,973.38, 4,104.63 and 2,123.30

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Solution

The fourth proportional to 2,973.38, 4,104.63 and 2,123.30 is: 2,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.38 : 4,104.63 = 2,123.30 : x
  2. Step 2: Convert to fraction form
    2,973.38/4,104.63 = 2,123.30/x
  3. Step 3: Cross multiply
    2,973.38x = 4,104.63 × 2,123.30
  4. Step 4: Simplify right side
    2,973.38x = 8,715,360.88
  5. Step 5: Solve for x
    x = 8,715,360.88/2,973.38
  6. Step 6: Final answer
    x = 2,931.13

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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.