Home / 1,426.61-2,140.11-501.95

Finding the Fourth Proportional to 1,426.61, 2,140.11 and 501.95

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Solution

The fourth proportional to 1,426.61, 2,140.11 and 501.95 is: 752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.61 : 2,140.11 = 501.95 : x
  2. Step 2: Convert to fraction form
    1,426.61/2,140.11 = 501.95/x
  3. Step 3: Cross multiply
    1,426.61x = 2,140.11 × 501.95
  4. Step 4: Simplify right side
    1,426.61x = 1,074,228.21
  5. Step 5: Solve for x
    x = 1,074,228.21/1,426.61
  6. Step 6: Final answer
    x = 752.99

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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.