Home / 1,683.03-2,526.36-1,276.62

Finding the Fourth Proportional to 1,683.03, 2,526.36 and 1,276.62

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Solution

The fourth proportional to 1,683.03, 2,526.36 and 1,276.62 is: 1,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.03 : 2,526.36 = 1,276.62 : x
  2. Step 2: Convert to fraction form
    1,683.03/2,526.36 = 1,276.62/x
  3. Step 3: Cross multiply
    1,683.03x = 2,526.36 × 1,276.62
  4. Step 4: Simplify right side
    1,683.03x = 3,225,201.70
  5. Step 5: Solve for x
    x = 3,225,201.70/1,683.03
  6. Step 6: Final answer
    x = 1,916.31

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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.