Home / 1,411.50-2,116.80-589.56

Finding the Fourth Proportional to 1,411.50, 2,116.80 and 589.56

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Solution

The fourth proportional to 1,411.50, 2,116.80 and 589.56 is: 884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.50 : 2,116.80 = 589.56 : x
  2. Step 2: Convert to fraction form
    1,411.50/2,116.80 = 589.56/x
  3. Step 3: Cross multiply
    1,411.50x = 2,116.80 × 589.56
  4. Step 4: Simplify right side
    1,411.50x = 1,247,980.61
  5. Step 5: Solve for x
    x = 1,247,980.61/1,411.50
  6. Step 6: Final answer
    x = 884.15

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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.