Home / 3,397.16-4,688.01-1,905.14

Finding the Fourth Proportional to 3,397.16, 4,688.01 and 1,905.14

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Solution

The fourth proportional to 3,397.16, 4,688.01 and 1,905.14 is: 2,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.16 : 4,688.01 = 1,905.14 : x
  2. Step 2: Convert to fraction form
    3,397.16/4,688.01 = 1,905.14/x
  3. Step 3: Cross multiply
    3,397.16x = 4,688.01 × 1,905.14
  4. Step 4: Simplify right side
    3,397.16x = 8,931,291.93
  5. Step 5: Solve for x
    x = 8,931,291.93/3,397.16
  6. Step 6: Final answer
    x = 2,629.05

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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.