Home / 1,923.99-2,654.95-1,084.91

Finding the Fourth Proportional to 1,923.99, 2,654.95 and 1,084.91

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Solution

The fourth proportional to 1,923.99, 2,654.95 and 1,084.91 is: 1,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.99 : 2,654.95 = 1,084.91 : x
  2. Step 2: Convert to fraction form
    1,923.99/2,654.95 = 1,084.91/x
  3. Step 3: Cross multiply
    1,923.99x = 2,654.95 × 1,084.91
  4. Step 4: Simplify right side
    1,923.99x = 2,880,369.89
  5. Step 5: Solve for x
    x = 2,880,369.89/1,923.99
  6. Step 6: Final answer
    x = 1,497.08

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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.