Home / 1,576.02-2,172.51-1,133.76

Finding the Fourth Proportional to 1,576.02, 2,172.51 and 1,133.76

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Solution

The fourth proportional to 1,576.02, 2,172.51 and 1,133.76 is: 1,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.02 : 2,172.51 = 1,133.76 : x
  2. Step 2: Convert to fraction form
    1,576.02/2,172.51 = 1,133.76/x
  3. Step 3: Cross multiply
    1,576.02x = 2,172.51 × 1,133.76
  4. Step 4: Simplify right side
    1,576.02x = 2,463,104.94
  5. Step 5: Solve for x
    x = 2,463,104.94/1,576.02
  6. Step 6: Final answer
    x = 1,562.86

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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.