Home / 4,100.04-5,657.31-2,421.72

Finding the Fourth Proportional to 4,100.04, 5,657.31 and 2,421.72

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Solution

The fourth proportional to 4,100.04, 5,657.31 and 2,421.72 is: 3,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.04 : 5,657.31 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    4,100.04/5,657.31 = 2,421.72/x
  3. Step 3: Cross multiply
    4,100.04x = 5,657.31 × 2,421.72
  4. Step 4: Simplify right side
    4,100.04x = 13,700,420.77
  5. Step 5: Solve for x
    x = 13,700,420.77/4,100.04
  6. Step 6: Final answer
    x = 3,341.53

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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.