Home / 1,574.40-2,171.49-1,504.61

Finding the Fourth Proportional to 1,574.40, 2,171.49 and 1,504.61

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Solution

The fourth proportional to 1,574.40, 2,171.49 and 1,504.61 is: 2,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.40 : 2,171.49 = 1,504.61 : x
  2. Step 2: Convert to fraction form
    1,574.40/2,171.49 = 1,504.61/x
  3. Step 3: Cross multiply
    1,574.40x = 2,171.49 × 1,504.61
  4. Step 4: Simplify right side
    1,574.40x = 3,267,234.71
  5. Step 5: Solve for x
    x = 3,267,234.71/1,574.40
  6. Step 6: Final answer
    x = 2,075.23

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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.