Home / 1,743.15-2,406.13-1,558.62

Finding the Fourth Proportional to 1,743.15, 2,406.13 and 1,558.62

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Solution

The fourth proportional to 1,743.15, 2,406.13 and 1,558.62 is: 2,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.15 : 2,406.13 = 1,558.62 : x
  2. Step 2: Convert to fraction form
    1,743.15/2,406.13 = 1,558.62/x
  3. Step 3: Cross multiply
    1,743.15x = 2,406.13 × 1,558.62
  4. Step 4: Simplify right side
    1,743.15x = 3,750,242.34
  5. Step 5: Solve for x
    x = 3,750,242.34/1,743.15
  6. Step 6: Final answer
    x = 2,151.42

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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.