Home / 2,529.90-3,491.60-1,585.95

Finding the Fourth Proportional to 2,529.90, 3,491.60 and 1,585.95

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Solution

The fourth proportional to 2,529.90, 3,491.60 and 1,585.95 is: 2,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.90 : 3,491.60 = 1,585.95 : x
  2. Step 2: Convert to fraction form
    2,529.90/3,491.60 = 1,585.95/x
  3. Step 3: Cross multiply
    2,529.90x = 3,491.60 × 1,585.95
  4. Step 4: Simplify right side
    2,529.90x = 5,537,503.02
  5. Step 5: Solve for x
    x = 5,537,503.02/2,529.90
  6. Step 6: Final answer
    x = 2,188.82

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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.