Home / 1,556.04-2,140.92-1,360.02

Finding the Fourth Proportional to 1,556.04, 2,140.92 and 1,360.02

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Solution

The fourth proportional to 1,556.04, 2,140.92 and 1,360.02 is: 1,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.04 : 2,140.92 = 1,360.02 : x
  2. Step 2: Convert to fraction form
    1,556.04/2,140.92 = 1,360.02/x
  3. Step 3: Cross multiply
    1,556.04x = 2,140.92 × 1,360.02
  4. Step 4: Simplify right side
    1,556.04x = 2,911,694.02
  5. Step 5: Solve for x
    x = 2,911,694.02/1,556.04
  6. Step 6: Final answer
    x = 1,871.22

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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.