Home / 1,529.47-2,304.40-1,383.39

Finding the Fourth Proportional to 1,529.47, 2,304.40 and 1,383.39

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Solution

The fourth proportional to 1,529.47, 2,304.40 and 1,383.39 is: 2,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.47 : 2,304.40 = 1,383.39 : x
  2. Step 2: Convert to fraction form
    1,529.47/2,304.40 = 1,383.39/x
  3. Step 3: Cross multiply
    1,529.47x = 2,304.40 × 1,383.39
  4. Step 4: Simplify right side
    1,529.47x = 3,187,875.85
  5. Step 5: Solve for x
    x = 3,187,875.85/1,529.47
  6. Step 6: Final answer
    x = 2,084.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.