Home / 3,412.64-4,707.76-2,014.72

Finding the Fourth Proportional to 3,412.64, 4,707.76 and 2,014.72

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Solution

The fourth proportional to 3,412.64, 4,707.76 and 2,014.72 is: 2,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.64 : 4,707.76 = 2,014.72 : x
  2. Step 2: Convert to fraction form
    3,412.64/4,707.76 = 2,014.72/x
  3. Step 3: Cross multiply
    3,412.64x = 4,707.76 × 2,014.72
  4. Step 4: Simplify right side
    3,412.64x = 9,484,818.23
  5. Step 5: Solve for x
    x = 9,484,818.23/3,412.64
  6. Step 6: Final answer
    x = 2,779.32

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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.