Home / 2,898.67-4,000.15-1,572.35

Finding the Fourth Proportional to 2,898.67, 4,000.15 and 1,572.35

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Solution

The fourth proportional to 2,898.67, 4,000.15 and 1,572.35 is: 2,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.67 : 4,000.15 = 1,572.35 : x
  2. Step 2: Convert to fraction form
    2,898.67/4,000.15 = 1,572.35/x
  3. Step 3: Cross multiply
    2,898.67x = 4,000.15 × 1,572.35
  4. Step 4: Simplify right side
    2,898.67x = 6,289,611.18
  5. Step 5: Solve for x
    x = 6,289,611.18/2,898.67
  6. Step 6: Final answer
    x = 2,169.83

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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.