Home / 3,071.68-4,607.56-1,123.36

Finding the Fourth Proportional to 3,071.68, 4,607.56 and 1,123.36

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Solution

The fourth proportional to 3,071.68, 4,607.56 and 1,123.36 is: 1,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.68 : 4,607.56 = 1,123.36 : x
  2. Step 2: Convert to fraction form
    3,071.68/4,607.56 = 1,123.36/x
  3. Step 3: Cross multiply
    3,071.68x = 4,607.56 × 1,123.36
  4. Step 4: Simplify right side
    3,071.68x = 5,175,948.60
  5. Step 5: Solve for x
    x = 5,175,948.60/3,071.68
  6. Step 6: Final answer
    x = 1,685.05

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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.