Home / 1,411.70-2,118.24-589.95

Finding the Fourth Proportional to 1,411.70, 2,118.24 and 589.95

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Solution

The fourth proportional to 1,411.70, 2,118.24 and 589.95 is: 885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.70 : 2,118.24 = 589.95 : x
  2. Step 2: Convert to fraction form
    1,411.70/2,118.24 = 589.95/x
  3. Step 3: Cross multiply
    1,411.70x = 2,118.24 × 589.95
  4. Step 4: Simplify right side
    1,411.70x = 1,249,655.69
  5. Step 5: Solve for x
    x = 1,249,655.69/1,411.70
  6. Step 6: Final answer
    x = 885.22

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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.