Home / 2,688.02-3,710.64-1,568.53

Finding the Fourth Proportional to 2,688.02, 3,710.64 and 1,568.53

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Solution

The fourth proportional to 2,688.02, 3,710.64 and 1,568.53 is: 2,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.02 : 3,710.64 = 1,568.53 : x
  2. Step 2: Convert to fraction form
    2,688.02/3,710.64 = 1,568.53/x
  3. Step 3: Cross multiply
    2,688.02x = 3,710.64 × 1,568.53
  4. Step 4: Simplify right side
    2,688.02x = 5,820,250.16
  5. Step 5: Solve for x
    x = 5,820,250.16/2,688.02
  6. Step 6: Final answer
    x = 2,165.26

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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.