Home / 2,740.07-4,075.17-2,670.87

Finding the Fourth Proportional to 2,740.07, 4,075.17 and 2,670.87

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Solution

The fourth proportional to 2,740.07, 4,075.17 and 2,670.87 is: 3,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.07 : 4,075.17 = 2,670.87 : x
  2. Step 2: Convert to fraction form
    2,740.07/4,075.17 = 2,670.87/x
  3. Step 3: Cross multiply
    2,740.07x = 4,075.17 × 2,670.87
  4. Step 4: Simplify right side
    2,740.07x = 10,884,256.44
  5. Step 5: Solve for x
    x = 10,884,256.44/2,740.07
  6. Step 6: Final answer
    x = 3,972.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.