Home / 1,532.08-2,101.55-1,518.90

Finding the Fourth Proportional to 1,532.08, 2,101.55 and 1,518.90

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Solution

The fourth proportional to 1,532.08, 2,101.55 and 1,518.90 is: 2,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.08 : 2,101.55 = 1,518.90 : x
  2. Step 2: Convert to fraction form
    1,532.08/2,101.55 = 1,518.90/x
  3. Step 3: Cross multiply
    1,532.08x = 2,101.55 × 1,518.90
  4. Step 4: Simplify right side
    1,532.08x = 3,192,036.70
  5. Step 5: Solve for x
    x = 3,192,036.70/1,532.08
  6. Step 6: Final answer
    x = 2,083.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.