Home / 3,053.48-4,570.08-2,780.20

Finding the Fourth Proportional to 3,053.48, 4,570.08 and 2,780.20

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Solution

The fourth proportional to 3,053.48, 4,570.08 and 2,780.20 is: 4,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.48 : 4,570.08 = 2,780.20 : x
  2. Step 2: Convert to fraction form
    3,053.48/4,570.08 = 2,780.20/x
  3. Step 3: Cross multiply
    3,053.48x = 4,570.08 × 2,780.20
  4. Step 4: Simplify right side
    3,053.48x = 12,705,736.42
  5. Step 5: Solve for x
    x = 12,705,736.42/3,053.48
  6. Step 6: Final answer
    x = 4,161.07

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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.