Home / 1,056.04-1,573.73-1,021.21

Finding the Fourth Proportional to 1,056.04, 1,573.73 and 1,021.21

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Solution

The fourth proportional to 1,056.04, 1,573.73 and 1,021.21 is: 1,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.04 : 1,573.73 = 1,021.21 : x
  2. Step 2: Convert to fraction form
    1,056.04/1,573.73 = 1,021.21/x
  3. Step 3: Cross multiply
    1,056.04x = 1,573.73 × 1,021.21
  4. Step 4: Simplify right side
    1,056.04x = 1,607,108.81
  5. Step 5: Solve for x
    x = 1,607,108.81/1,056.04
  6. Step 6: Final answer
    x = 1,521.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.