Home / 1,573.10-2,359.80-477.35

Finding the Fourth Proportional to 1,573.10, 2,359.80 and 477.35

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Solution

The fourth proportional to 1,573.10, 2,359.80 and 477.35 is: 716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.10 : 2,359.80 = 477.35 : x
  2. Step 2: Convert to fraction form
    1,573.10/2,359.80 = 477.35/x
  3. Step 3: Cross multiply
    1,573.10x = 2,359.80 × 477.35
  4. Step 4: Simplify right side
    1,573.10x = 1,126,450.53
  5. Step 5: Solve for x
    x = 1,126,450.53/1,573.10
  6. Step 6: Final answer
    x = 716.07

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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.