Home / 1,576.28-2,173.70-1,296.23

Finding the Fourth Proportional to 1,576.28, 2,173.70 and 1,296.23

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Solution

The fourth proportional to 1,576.28, 2,173.70 and 1,296.23 is: 1,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.28 : 2,173.70 = 1,296.23 : x
  2. Step 2: Convert to fraction form
    1,576.28/2,173.70 = 1,296.23/x
  3. Step 3: Cross multiply
    1,576.28x = 2,173.70 × 1,296.23
  4. Step 4: Simplify right side
    1,576.28x = 2,817,607.52
  5. Step 5: Solve for x
    x = 2,817,607.52/1,576.28
  6. Step 6: Final answer
    x = 1,787.50

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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.