Home / 2,688.85-3,710.56-1,510.14

Finding the Fourth Proportional to 2,688.85, 3,710.56 and 1,510.14

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Solution

The fourth proportional to 2,688.85, 3,710.56 and 1,510.14 is: 2,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.85 : 3,710.56 = 1,510.14 : x
  2. Step 2: Convert to fraction form
    2,688.85/3,710.56 = 1,510.14/x
  3. Step 3: Cross multiply
    2,688.85x = 3,710.56 × 1,510.14
  4. Step 4: Simplify right side
    2,688.85x = 5,603,478.05
  5. Step 5: Solve for x
    x = 5,603,478.05/2,688.85
  6. Step 6: Final answer
    x = 2,083.97

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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.