Home / 1,573.13-2,360.33-649.15

Finding the Fourth Proportional to 1,573.13, 2,360.33 and 649.15

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Solution

The fourth proportional to 1,573.13, 2,360.33 and 649.15 is: 973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.13 : 2,360.33 = 649.15 : x
  2. Step 2: Convert to fraction form
    1,573.13/2,360.33 = 649.15/x
  3. Step 3: Cross multiply
    1,573.13x = 2,360.33 × 649.15
  4. Step 4: Simplify right side
    1,573.13x = 1,532,208.22
  5. Step 5: Solve for x
    x = 1,532,208.22/1,573.13
  6. Step 6: Final answer
    x = 973.99

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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.