Home / 2,689.17-3,711.09-1,510.23

Finding the Fourth Proportional to 2,689.17, 3,711.09 and 1,510.23

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Solution

The fourth proportional to 2,689.17, 3,711.09 and 1,510.23 is: 2,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.17 : 3,711.09 = 1,510.23 : x
  2. Step 2: Convert to fraction form
    2,689.17/3,711.09 = 1,510.23/x
  3. Step 3: Cross multiply
    2,689.17x = 3,711.09 × 1,510.23
  4. Step 4: Simplify right side
    2,689.17x = 5,604,599.45
  5. Step 5: Solve for x
    x = 5,604,599.45/2,689.17
  6. Step 6: Final answer
    x = 2,084.14

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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.