Home / 1,534.28-2,289.83-1,430.24

Finding the Fourth Proportional to 1,534.28, 2,289.83 and 1,430.24

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Solution

The fourth proportional to 1,534.28, 2,289.83 and 1,430.24 is: 2,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.28 : 2,289.83 = 1,430.24 : x
  2. Step 2: Convert to fraction form
    1,534.28/2,289.83 = 1,430.24/x
  3. Step 3: Cross multiply
    1,534.28x = 2,289.83 × 1,430.24
  4. Step 4: Simplify right side
    1,534.28x = 3,275,002.88
  5. Step 5: Solve for x
    x = 3,275,002.88/1,534.28
  6. Step 6: Final answer
    x = 2,134.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.