Home / 1,503.18-2,074.46-1,006.02

Finding the Fourth Proportional to 1,503.18, 2,074.46 and 1,006.02

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Solution

The fourth proportional to 1,503.18, 2,074.46 and 1,006.02 is: 1,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.18 : 2,074.46 = 1,006.02 : x
  2. Step 2: Convert to fraction form
    1,503.18/2,074.46 = 1,006.02/x
  3. Step 3: Cross multiply
    1,503.18x = 2,074.46 × 1,006.02
  4. Step 4: Simplify right side
    1,503.18x = 2,086,948.25
  5. Step 5: Solve for x
    x = 2,086,948.25/1,503.18
  6. Step 6: Final answer
    x = 1,388.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.