Home / 1,349.79-2,023.57-619.17

Finding the Fourth Proportional to 1,349.79, 2,023.57 and 619.17

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Solution

The fourth proportional to 1,349.79, 2,023.57 and 619.17 is: 928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.79 : 2,023.57 = 619.17 : x
  2. Step 2: Convert to fraction form
    1,349.79/2,023.57 = 619.17/x
  3. Step 3: Cross multiply
    1,349.79x = 2,023.57 × 619.17
  4. Step 4: Simplify right side
    1,349.79x = 1,252,933.84
  5. Step 5: Solve for x
    x = 1,252,933.84/1,349.79
  6. Step 6: Final answer
    x = 928.24

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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.