Home / 3,075.40-4,613.10-1,775.35

Finding the Fourth Proportional to 3,075.40, 4,613.10 and 1,775.35

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Solution

The fourth proportional to 3,075.40, 4,613.10 and 1,775.35 is: 2,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.40 : 4,613.10 = 1,775.35 : x
  2. Step 2: Convert to fraction form
    3,075.40/4,613.10 = 1,775.35/x
  3. Step 3: Cross multiply
    3,075.40x = 4,613.10 × 1,775.35
  4. Step 4: Simplify right side
    3,075.40x = 8,189,867.09
  5. Step 5: Solve for x
    x = 8,189,867.09/3,075.40
  6. Step 6: Final answer
    x = 2,663.03

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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.