Home / 1,282.45-1,925.58-1,048.90

Finding the Fourth Proportional to 1,282.45, 1,925.58 and 1,048.90

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Solution

The fourth proportional to 1,282.45, 1,925.58 and 1,048.90 is: 1,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.45 : 1,925.58 = 1,048.90 : x
  2. Step 2: Convert to fraction form
    1,282.45/1,925.58 = 1,048.90/x
  3. Step 3: Cross multiply
    1,282.45x = 1,925.58 × 1,048.90
  4. Step 4: Simplify right side
    1,282.45x = 2,019,740.86
  5. Step 5: Solve for x
    x = 2,019,740.86/1,282.45
  6. Step 6: Final answer
    x = 1,574.91

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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.