Home / 2,689.09-3,711.01-1,510.13

Finding the Fourth Proportional to 2,689.09, 3,711.01 and 1,510.13

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Solution

The fourth proportional to 2,689.09, 3,711.01 and 1,510.13 is: 2,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.09 : 3,711.01 = 1,510.13 : x
  2. Step 2: Convert to fraction form
    2,689.09/3,711.01 = 1,510.13/x
  3. Step 3: Cross multiply
    2,689.09x = 3,711.01 × 1,510.13
  4. Step 4: Simplify right side
    2,689.09x = 5,604,107.53
  5. Step 5: Solve for x
    x = 5,604,107.53/2,689.09
  6. Step 6: Final answer
    x = 2,084.02

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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.