Home / 3,030.45-4,548.56-1,570.65

Finding the Fourth Proportional to 3,030.45, 4,548.56 and 1,570.65

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Solution

The fourth proportional to 3,030.45, 4,548.56 and 1,570.65 is: 2,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.45 : 4,548.56 = 1,570.65 : x
  2. Step 2: Convert to fraction form
    3,030.45/4,548.56 = 1,570.65/x
  3. Step 3: Cross multiply
    3,030.45x = 4,548.56 × 1,570.65
  4. Step 4: Simplify right side
    3,030.45x = 7,144,187.91
  5. Step 5: Solve for x
    x = 7,144,187.91/3,030.45
  6. Step 6: Final answer
    x = 2,357.47

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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.