Home / 1,586.57-2,190.24-1,056.34

Finding the Fourth Proportional to 1,586.57, 2,190.24 and 1,056.34

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Solution

The fourth proportional to 1,586.57, 2,190.24 and 1,056.34 is: 1,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.57 : 2,190.24 = 1,056.34 : x
  2. Step 2: Convert to fraction form
    1,586.57/2,190.24 = 1,056.34/x
  3. Step 3: Cross multiply
    1,586.57x = 2,190.24 × 1,056.34
  4. Step 4: Simplify right side
    1,586.57x = 2,313,640.86
  5. Step 5: Solve for x
    x = 2,313,640.86/1,586.57
  6. Step 6: Final answer
    x = 1,458.27

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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.