Home / 3,432.08-5,148.12-1,888.40

Finding the Fourth Proportional to 3,432.08, 5,148.12 and 1,888.40

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Solution

The fourth proportional to 3,432.08, 5,148.12 and 1,888.40 is: 2,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.08 : 5,148.12 = 1,888.40 : x
  2. Step 2: Convert to fraction form
    3,432.08/5,148.12 = 1,888.40/x
  3. Step 3: Cross multiply
    3,432.08x = 5,148.12 × 1,888.40
  4. Step 4: Simplify right side
    3,432.08x = 9,721,709.81
  5. Step 5: Solve for x
    x = 9,721,709.81/3,432.08
  6. Step 6: Final answer
    x = 2,832.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.