Home / 1,739.90-2,401.89-1,077.19

Finding the Fourth Proportional to 1,739.90, 2,401.89 and 1,077.19

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Solution

The fourth proportional to 1,739.90, 2,401.89 and 1,077.19 is: 1,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.90 : 2,401.89 = 1,077.19 : x
  2. Step 2: Convert to fraction form
    1,739.90/2,401.89 = 1,077.19/x
  3. Step 3: Cross multiply
    1,739.90x = 2,401.89 × 1,077.19
  4. Step 4: Simplify right side
    1,739.90x = 2,587,281.84
  5. Step 5: Solve for x
    x = 2,587,281.84/1,739.90
  6. Step 6: Final answer
    x = 1,487.03

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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.