Home / 1,502.28-2,075.22-1,429.38

Finding the Fourth Proportional to 1,502.28, 2,075.22 and 1,429.38

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Solution

The fourth proportional to 1,502.28, 2,075.22 and 1,429.38 is: 1,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.28 : 2,075.22 = 1,429.38 : x
  2. Step 2: Convert to fraction form
    1,502.28/2,075.22 = 1,429.38/x
  3. Step 3: Cross multiply
    1,502.28x = 2,075.22 × 1,429.38
  4. Step 4: Simplify right side
    1,502.28x = 2,966,277.96
  5. Step 5: Solve for x
    x = 2,966,277.96/1,502.28
  6. Step 6: Final answer
    x = 1,974.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.