Home / 4,122.48-5,688.90-2,353.74

Finding the Fourth Proportional to 4,122.48, 5,688.90 and 2,353.74

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Solution

The fourth proportional to 4,122.48, 5,688.90 and 2,353.74 is: 3,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.48 : 5,688.90 = 2,353.74 : x
  2. Step 2: Convert to fraction form
    4,122.48/5,688.90 = 2,353.74/x
  3. Step 3: Cross multiply
    4,122.48x = 5,688.90 × 2,353.74
  4. Step 4: Simplify right side
    4,122.48x = 13,390,191.49
  5. Step 5: Solve for x
    x = 13,390,191.49/4,122.48
  6. Step 6: Final answer
    x = 3,248.09

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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.