Home / 1,740.41-2,400.51-1,077.56

Finding the Fourth Proportional to 1,740.41, 2,400.51 and 1,077.56

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Solution

The fourth proportional to 1,740.41, 2,400.51 and 1,077.56 is: 1,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.41 : 2,400.51 = 1,077.56 : x
  2. Step 2: Convert to fraction form
    1,740.41/2,400.51 = 1,077.56/x
  3. Step 3: Cross multiply
    1,740.41x = 2,400.51 × 1,077.56
  4. Step 4: Simplify right side
    1,740.41x = 2,586,693.56
  5. Step 5: Solve for x
    x = 2,586,693.56/1,740.41
  6. Step 6: Final answer
    x = 1,486.26

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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.