Home / 1,533.49-2,116.23-834.87

Finding the Fourth Proportional to 1,533.49, 2,116.23 and 834.87

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Solution

The fourth proportional to 1,533.49, 2,116.23 and 834.87 is: 1,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.49 : 2,116.23 = 834.87 : x
  2. Step 2: Convert to fraction form
    1,533.49/2,116.23 = 834.87/x
  3. Step 3: Cross multiply
    1,533.49x = 2,116.23 × 834.87
  4. Step 4: Simplify right side
    1,533.49x = 1,766,776.94
  5. Step 5: Solve for x
    x = 1,766,776.94/1,533.49
  6. Step 6: Final answer
    x = 1,152.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.