Home / 1,426.81-2,140.35-502.27

Finding the Fourth Proportional to 1,426.81, 2,140.35 and 502.27

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Solution

The fourth proportional to 1,426.81, 2,140.35 and 502.27 is: 753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.81 : 2,140.35 = 502.27 : x
  2. Step 2: Convert to fraction form
    1,426.81/2,140.35 = 502.27/x
  3. Step 3: Cross multiply
    1,426.81x = 2,140.35 × 502.27
  4. Step 4: Simplify right side
    1,426.81x = 1,075,033.59
  5. Step 5: Solve for x
    x = 1,075,033.59/1,426.81
  6. Step 6: Final answer
    x = 753.45

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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.