Home / 1,411.92-2,116.40-589.05

Finding the Fourth Proportional to 1,411.92, 2,116.40 and 589.05

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Solution

The fourth proportional to 1,411.92, 2,116.40 and 589.05 is: 882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.92 : 2,116.40 = 589.05 : x
  2. Step 2: Convert to fraction form
    1,411.92/2,116.40 = 589.05/x
  3. Step 3: Cross multiply
    1,411.92x = 2,116.40 × 589.05
  4. Step 4: Simplify right side
    1,411.92x = 1,246,662.47
  5. Step 5: Solve for x
    x = 1,246,662.47/1,411.92
  6. Step 6: Final answer
    x = 882.96

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1.5x scale

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.