Home / 3,123.03-4,683.99-1,042.79

Finding the Fourth Proportional to 3,123.03, 4,683.99 and 1,042.79

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Solution

The fourth proportional to 3,123.03, 4,683.99 and 1,042.79 is: 1,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.03 : 4,683.99 = 1,042.79 : x
  2. Step 2: Convert to fraction form
    3,123.03/4,683.99 = 1,042.79/x
  3. Step 3: Cross multiply
    3,123.03x = 4,683.99 × 1,042.79
  4. Step 4: Simplify right side
    3,123.03x = 4,884,417.93
  5. Step 5: Solve for x
    x = 4,884,417.93/3,123.03
  6. Step 6: Final answer
    x = 1,564.00

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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.