Home / 3,075.40-4,616.70-1,760.20

Finding the Fourth Proportional to 3,075.40, 4,616.70 and 1,760.20

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Solution

The fourth proportional to 3,075.40, 4,616.70 and 1,760.20 is: 2,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.40 : 4,616.70 = 1,760.20 : x
  2. Step 2: Convert to fraction form
    3,075.40/4,616.70 = 1,760.20/x
  3. Step 3: Cross multiply
    3,075.40x = 4,616.70 × 1,760.20
  4. Step 4: Simplify right side
    3,075.40x = 8,126,315.34
  5. Step 5: Solve for x
    x = 8,126,315.34/3,075.40
  6. Step 6: Final answer
    x = 2,642.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.