Home / 1,573.34-2,355.90-1,108.60

Finding the Fourth Proportional to 1,573.34, 2,355.90 and 1,108.60

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Solution

The fourth proportional to 1,573.34, 2,355.90 and 1,108.60 is: 1,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.34 : 2,355.90 = 1,108.60 : x
  2. Step 2: Convert to fraction form
    1,573.34/2,355.90 = 1,108.60/x
  3. Step 3: Cross multiply
    1,573.34x = 2,355.90 × 1,108.60
  4. Step 4: Simplify right side
    1,573.34x = 2,611,750.74
  5. Step 5: Solve for x
    x = 2,611,750.74/1,573.34
  6. Step 6: Final answer
    x = 1,660.00

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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.