Home / 1,572.99-2,168.59-1,306.48

Finding the Fourth Proportional to 1,572.99, 2,168.59 and 1,306.48

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Solution

The fourth proportional to 1,572.99, 2,168.59 and 1,306.48 is: 1,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.99 : 2,168.59 = 1,306.48 : x
  2. Step 2: Convert to fraction form
    1,572.99/2,168.59 = 1,306.48/x
  3. Step 3: Cross multiply
    1,572.99x = 2,168.59 × 1,306.48
  4. Step 4: Simplify right side
    1,572.99x = 2,833,219.46
  5. Step 5: Solve for x
    x = 2,833,219.46/1,572.99
  6. Step 6: Final answer
    x = 1,801.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.