Home / 1,740.24-2,400.60-1,077.12

Finding the Fourth Proportional to 1,740.24, 2,400.60 and 1,077.12

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Solution

The fourth proportional to 1,740.24, 2,400.60 and 1,077.12 is: 1,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.24 : 2,400.60 = 1,077.12 : x
  2. Step 2: Convert to fraction form
    1,740.24/2,400.60 = 1,077.12/x
  3. Step 3: Cross multiply
    1,740.24x = 2,400.60 × 1,077.12
  4. Step 4: Simplify right side
    1,740.24x = 2,585,734.27
  5. Step 5: Solve for x
    x = 2,585,734.27/1,740.24
  6. Step 6: Final answer
    x = 1,485.85

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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.