Home / 3,031.80-4,544.04-1,570.20

Finding the Fourth Proportional to 3,031.80, 4,544.04 and 1,570.20

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Solution

The fourth proportional to 3,031.80, 4,544.04 and 1,570.20 is: 2,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.80 : 4,544.04 = 1,570.20 : x
  2. Step 2: Convert to fraction form
    3,031.80/4,544.04 = 1,570.20/x
  3. Step 3: Cross multiply
    3,031.80x = 4,544.04 × 1,570.20
  4. Step 4: Simplify right side
    3,031.80x = 7,135,051.61
  5. Step 5: Solve for x
    x = 7,135,051.61/3,031.80
  6. Step 6: Final answer
    x = 2,353.40

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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.