Home / 2,510.09-3,463.80-1,391.06

Finding the Fourth Proportional to 2,510.09, 3,463.80 and 1,391.06

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Solution

The fourth proportional to 2,510.09, 3,463.80 and 1,391.06 is: 1,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.09 : 3,463.80 = 1,391.06 : x
  2. Step 2: Convert to fraction form
    2,510.09/3,463.80 = 1,391.06/x
  3. Step 3: Cross multiply
    2,510.09x = 3,463.80 × 1,391.06
  4. Step 4: Simplify right side
    2,510.09x = 4,818,353.63
  5. Step 5: Solve for x
    x = 4,818,353.63/2,510.09
  6. Step 6: Final answer
    x = 1,919.59

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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.