Home / 1,686.19-2,529.42-590.17

Finding the Fourth Proportional to 1,686.19, 2,529.42 and 590.17

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Solution

The fourth proportional to 1,686.19, 2,529.42 and 590.17 is: 885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686.19 : 2,529.42 = 590.17 : x
  2. Step 2: Convert to fraction form
    1,686.19/2,529.42 = 590.17/x
  3. Step 3: Cross multiply
    1,686.19x = 2,529.42 × 590.17
  4. Step 4: Simplify right side
    1,686.19x = 1,492,787.80
  5. Step 5: Solve for x
    x = 1,492,787.80/1,686.19
  6. Step 6: Final answer
    x = 885.30

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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.