Home / 1,754.40-2,631.45-584.28

Finding the Fourth Proportional to 1,754.40, 2,631.45 and 584.28

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Solution

The fourth proportional to 1,754.40, 2,631.45 and 584.28 is: 876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.40 : 2,631.45 = 584.28 : x
  2. Step 2: Convert to fraction form
    1,754.40/2,631.45 = 584.28/x
  3. Step 3: Cross multiply
    1,754.40x = 2,631.45 × 584.28
  4. Step 4: Simplify right side
    1,754.40x = 1,537,503.61
  5. Step 5: Solve for x
    x = 1,537,503.61/1,754.40
  6. Step 6: Final answer
    x = 876.37

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1.5x scale

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.