Home / 2,426.60-3,639.53-782.93

Finding the Fourth Proportional to 2,426.60, 3,639.53 and 782.93

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Solution

The fourth proportional to 2,426.60, 3,639.53 and 782.93 is: 1,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.60 : 3,639.53 = 782.93 : x
  2. Step 2: Convert to fraction form
    2,426.60/3,639.53 = 782.93/x
  3. Step 3: Cross multiply
    2,426.60x = 3,639.53 × 782.93
  4. Step 4: Simplify right side
    2,426.60x = 2,849,508.28
  5. Step 5: Solve for x
    x = 2,849,508.28/2,426.60
  6. Step 6: Final answer
    x = 1,174.28

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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.