Home / 3,090.95-4,637.17-1,011.05

Finding the Fourth Proportional to 3,090.95, 4,637.17 and 1,011.05

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Solution

The fourth proportional to 3,090.95, 4,637.17 and 1,011.05 is: 1,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.95 : 4,637.17 = 1,011.05 : x
  2. Step 2: Convert to fraction form
    3,090.95/4,637.17 = 1,011.05/x
  3. Step 3: Cross multiply
    3,090.95x = 4,637.17 × 1,011.05
  4. Step 4: Simplify right side
    3,090.95x = 4,688,385.02
  5. Step 5: Solve for x
    x = 4,688,385.02/3,090.95
  6. Step 6: Final answer
    x = 1,516.81

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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.