Home / 2,688.97-3,710.85-1,510.14

Finding the Fourth Proportional to 2,688.97, 3,710.85 and 1,510.14

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Solution

The fourth proportional to 2,688.97, 3,710.85 and 1,510.14 is: 2,084.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.97 : 3,710.85 = 1,510.14 : x
  2. Step 2: Convert to fraction form
    2,688.97/3,710.85 = 1,510.14/x
  3. Step 3: Cross multiply
    2,688.97x = 3,710.85 × 1,510.14
  4. Step 4: Simplify right side
    2,688.97x = 5,603,903.02
  5. Step 5: Solve for x
    x = 5,603,903.02/2,688.97
  6. Step 6: Final answer
    x = 2,084.03

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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.