Home / 2,973.03-4,459.95-1,123.80

Finding the Fourth Proportional to 2,973.03, 4,459.95 and 1,123.80

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Solution

The fourth proportional to 2,973.03, 4,459.95 and 1,123.80 is: 1,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.03 : 4,459.95 = 1,123.80 : x
  2. Step 2: Convert to fraction form
    2,973.03/4,459.95 = 1,123.80/x
  3. Step 3: Cross multiply
    2,973.03x = 4,459.95 × 1,123.80
  4. Step 4: Simplify right side
    2,973.03x = 5,012,091.81
  5. Step 5: Solve for x
    x = 5,012,091.81/2,973.03
  6. Step 6: Final answer
    x = 1,685.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.