Home / 1,709.28-2,551.68-1,595.52

Finding the Fourth Proportional to 1,709.28, 2,551.68 and 1,595.52

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Solution

The fourth proportional to 1,709.28, 2,551.68 and 1,595.52 is: 2,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.28 : 2,551.68 = 1,595.52 : x
  2. Step 2: Convert to fraction form
    1,709.28/2,551.68 = 1,595.52/x
  3. Step 3: Cross multiply
    1,709.28x = 2,551.68 × 1,595.52
  4. Step 4: Simplify right side
    1,709.28x = 4,071,256.47
  5. Step 5: Solve for x
    x = 4,071,256.47/1,709.28
  6. Step 6: Final answer
    x = 2,381.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.