Home / 3,780.46-5,670.68-1,007.13

Finding the Fourth Proportional to 3,780.46, 5,670.68 and 1,007.13

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Solution

The fourth proportional to 3,780.46, 5,670.68 and 1,007.13 is: 1,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.46 : 5,670.68 = 1,007.13 : x
  2. Step 2: Convert to fraction form
    3,780.46/5,670.68 = 1,007.13/x
  3. Step 3: Cross multiply
    3,780.46x = 5,670.68 × 1,007.13
  4. Step 4: Simplify right side
    3,780.46x = 5,711,111.95
  5. Step 5: Solve for x
    x = 5,711,111.95/3,780.46
  6. Step 6: Final answer
    x = 1,510.69

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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.