Home / 3,050.65-4,210.14-1,872.10

Finding the Fourth Proportional to 3,050.65, 4,210.14 and 1,872.10

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Solution

The fourth proportional to 3,050.65, 4,210.14 and 1,872.10 is: 2,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.65 : 4,210.14 = 1,872.10 : x
  2. Step 2: Convert to fraction form
    3,050.65/4,210.14 = 1,872.10/x
  3. Step 3: Cross multiply
    3,050.65x = 4,210.14 × 1,872.10
  4. Step 4: Simplify right side
    3,050.65x = 7,881,803.09
  5. Step 5: Solve for x
    x = 7,881,803.09/3,050.65
  6. Step 6: Final answer
    x = 2,583.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.