Home / 1,677.24-2,315.52-1,283.04

Finding the Fourth Proportional to 1,677.24, 2,315.52 and 1,283.04

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Solution

The fourth proportional to 1,677.24, 2,315.52 and 1,283.04 is: 1,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.24 : 2,315.52 = 1,283.04 : x
  2. Step 2: Convert to fraction form
    1,677.24/2,315.52 = 1,283.04/x
  3. Step 3: Cross multiply
    1,677.24x = 2,315.52 × 1,283.04
  4. Step 4: Simplify right side
    1,677.24x = 2,970,904.78
  5. Step 5: Solve for x
    x = 2,970,904.78/1,677.24
  6. Step 6: Final answer
    x = 1,771.31

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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.