Home / 1,575.62-2,174.36-946.52

Finding the Fourth Proportional to 1,575.62, 2,174.36 and 946.52

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Solution

The fourth proportional to 1,575.62, 2,174.36 and 946.52 is: 1,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.62 : 2,174.36 = 946.52 : x
  2. Step 2: Convert to fraction form
    1,575.62/2,174.36 = 946.52/x
  3. Step 3: Cross multiply
    1,575.62x = 2,174.36 × 946.52
  4. Step 4: Simplify right side
    1,575.62x = 2,058,075.23
  5. Step 5: Solve for x
    x = 2,058,075.23/1,575.62
  6. Step 6: Final answer
    x = 1,306.20

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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.