Home / 2,898.68-4,000.19-1,572.35

Finding the Fourth Proportional to 2,898.68, 4,000.19 and 1,572.35

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Solution

The fourth proportional to 2,898.68, 4,000.19 and 1,572.35 is: 2,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.68 : 4,000.19 = 1,572.35 : x
  2. Step 2: Convert to fraction form
    2,898.68/4,000.19 = 1,572.35/x
  3. Step 3: Cross multiply
    2,898.68x = 4,000.19 × 1,572.35
  4. Step 4: Simplify right side
    2,898.68x = 6,289,670.88
  5. Step 5: Solve for x
    x = 6,289,670.88/2,898.68
  6. Step 6: Final answer
    x = 2,169.84

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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.