Home / 3,071.16-4,606.74-1,123.35

Finding the Fourth Proportional to 3,071.16, 4,606.74 and 1,123.35

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Solution

The fourth proportional to 3,071.16, 4,606.74 and 1,123.35 is: 1,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.16 : 4,606.74 = 1,123.35 : x
  2. Step 2: Convert to fraction form
    3,071.16/4,606.74 = 1,123.35/x
  3. Step 3: Cross multiply
    3,071.16x = 4,606.74 × 1,123.35
  4. Step 4: Simplify right side
    3,071.16x = 5,174,981.38
  5. Step 5: Solve for x
    x = 5,174,981.38/3,071.16
  6. Step 6: Final answer
    x = 1,685.03

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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.