Home / 1,411.39-2,116.70-589.53

Finding the Fourth Proportional to 1,411.39, 2,116.70 and 589.53

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Solution

The fourth proportional to 1,411.39, 2,116.70 and 589.53 is: 884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.39 : 2,116.70 = 589.53 : x
  2. Step 2: Convert to fraction form
    1,411.39/2,116.70 = 589.53/x
  3. Step 3: Cross multiply
    1,411.39x = 2,116.70 × 589.53
  4. Step 4: Simplify right side
    1,411.39x = 1,247,853.45
  5. Step 5: Solve for x
    x = 1,247,853.45/1,411.39
  6. Step 6: Final answer
    x = 884.13

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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.