Home / 1,739.90-2,401.44-1,150.49

Finding the Fourth Proportional to 1,739.90, 2,401.44 and 1,150.49

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Solution

The fourth proportional to 1,739.90, 2,401.44 and 1,150.49 is: 1,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.90 : 2,401.44 = 1,150.49 : x
  2. Step 2: Convert to fraction form
    1,739.90/2,401.44 = 1,150.49/x
  3. Step 3: Cross multiply
    1,739.90x = 2,401.44 × 1,150.49
  4. Step 4: Simplify right side
    1,739.90x = 2,762,832.71
  5. Step 5: Solve for x
    x = 2,762,832.71/1,739.90
  6. Step 6: Final answer
    x = 1,587.93

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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.