Home / 2,315.20-3,472.80-583.72

Finding the Fourth Proportional to 2,315.20, 3,472.80 and 583.72

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Solution

The fourth proportional to 2,315.20, 3,472.80 and 583.72 is: 875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.20 : 3,472.80 = 583.72 : x
  2. Step 2: Convert to fraction form
    2,315.20/3,472.80 = 583.72/x
  3. Step 3: Cross multiply
    2,315.20x = 3,472.80 × 583.72
  4. Step 4: Simplify right side
    2,315.20x = 2,027,142.82
  5. Step 5: Solve for x
    x = 2,027,142.82/2,315.20
  6. Step 6: Final answer
    x = 875.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.