Home / 1,573.40-2,360.36-707.76

Finding the Fourth Proportional to 1,573.40, 2,360.36 and 707.76

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Solution

The fourth proportional to 1,573.40, 2,360.36 and 707.76 is: 1,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.40 : 2,360.36 = 707.76 : x
  2. Step 2: Convert to fraction form
    1,573.40/2,360.36 = 707.76/x
  3. Step 3: Cross multiply
    1,573.40x = 2,360.36 × 707.76
  4. Step 4: Simplify right side
    1,573.40x = 1,670,568.39
  5. Step 5: Solve for x
    x = 1,670,568.39/1,573.40
  6. Step 6: Final answer
    x = 1,061.76

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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.