Home / 3,154.02-4,727.68-1,507.10

Finding the Fourth Proportional to 3,154.02, 4,727.68 and 1,507.10

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Solution

The fourth proportional to 3,154.02, 4,727.68 and 1,507.10 is: 2,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.02 : 4,727.68 = 1,507.10 : x
  2. Step 2: Convert to fraction form
    3,154.02/4,727.68 = 1,507.10/x
  3. Step 3: Cross multiply
    3,154.02x = 4,727.68 × 1,507.10
  4. Step 4: Simplify right side
    3,154.02x = 7,125,086.53
  5. Step 5: Solve for x
    x = 7,125,086.53/3,154.02
  6. Step 6: Final answer
    x = 2,259.05

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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.