Home / 1,583.31-2,374.96-487.67

Finding the Fourth Proportional to 1,583.31, 2,374.96 and 487.67

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Solution

The fourth proportional to 1,583.31, 2,374.96 and 487.67 is: 731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.31 : 2,374.96 = 487.67 : x
  2. Step 2: Convert to fraction form
    1,583.31/2,374.96 = 487.67/x
  3. Step 3: Cross multiply
    1,583.31x = 2,374.96 × 487.67
  4. Step 4: Simplify right side
    1,583.31x = 1,158,184.87
  5. Step 5: Solve for x
    x = 1,158,184.87/1,583.31
  6. Step 6: Final answer
    x = 731.50

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Double scale
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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.