Home / 1,556.16-2,130.84-1,545.36

Finding the Fourth Proportional to 1,556.16, 2,130.84 and 1,545.36

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Solution

The fourth proportional to 1,556.16, 2,130.84 and 1,545.36 is: 2,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.16 : 2,130.84 = 1,545.36 : x
  2. Step 2: Convert to fraction form
    1,556.16/2,130.84 = 1,545.36/x
  3. Step 3: Cross multiply
    1,556.16x = 2,130.84 × 1,545.36
  4. Step 4: Simplify right side
    1,556.16x = 3,292,914.90
  5. Step 5: Solve for x
    x = 3,292,914.90/1,556.16
  6. Step 6: Final answer
    x = 2,116.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.