Home / 1,557.20-2,334.98-583.18

Finding the Fourth Proportional to 1,557.20, 2,334.98 and 583.18

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Solution

The fourth proportional to 1,557.20, 2,334.98 and 583.18 is: 874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.20 : 2,334.98 = 583.18 : x
  2. Step 2: Convert to fraction form
    1,557.20/2,334.98 = 583.18/x
  3. Step 3: Cross multiply
    1,557.20x = 2,334.98 × 583.18
  4. Step 4: Simplify right side
    1,557.20x = 1,361,713.64
  5. Step 5: Solve for x
    x = 1,361,713.64/1,557.20
  6. Step 6: Final answer
    x = 874.46

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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.