Home / 1,527.28-2,288.37-1,470.40

Finding the Fourth Proportional to 1,527.28, 2,288.37 and 1,470.40

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Solution

The fourth proportional to 1,527.28, 2,288.37 and 1,470.40 is: 2,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.28 : 2,288.37 = 1,470.40 : x
  2. Step 2: Convert to fraction form
    1,527.28/2,288.37 = 1,470.40/x
  3. Step 3: Cross multiply
    1,527.28x = 2,288.37 × 1,470.40
  4. Step 4: Simplify right side
    1,527.28x = 3,364,813.53
  5. Step 5: Solve for x
    x = 3,364,813.53/1,527.28
  6. Step 6: Final answer
    x = 2,203.14

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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.