Home / 1,557.38-2,334.63-582.74

Finding the Fourth Proportional to 1,557.38, 2,334.63 and 582.74

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Solution

The fourth proportional to 1,557.38, 2,334.63 and 582.74 is: 873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.38 : 2,334.63 = 582.74 : x
  2. Step 2: Convert to fraction form
    1,557.38/2,334.63 = 582.74/x
  3. Step 3: Cross multiply
    1,557.38x = 2,334.63 × 582.74
  4. Step 4: Simplify right side
    1,557.38x = 1,360,482.29
  5. Step 5: Solve for x
    x = 1,360,482.29/1,557.38
  6. Step 6: Final answer
    x = 873.57

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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.