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Finding the Fourth Proportional to 3,019.53, 4,527.81 and 1,437.81

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Solution

The fourth proportional to 3,019.53, 4,527.81 and 1,437.81 is: 2,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.53 : 4,527.81 = 1,437.81 : x
  2. Step 2: Convert to fraction form
    3,019.53/4,527.81 = 1,437.81/x
  3. Step 3: Cross multiply
    3,019.53x = 4,527.81 × 1,437.81
  4. Step 4: Simplify right side
    3,019.53x = 6,510,130.50
  5. Step 5: Solve for x
    x = 6,510,130.50/3,019.53
  6. Step 6: Final answer
    x = 2,156.01

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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.