Home / 1,859.47-2,566.10-1,020.25

Finding the Fourth Proportional to 1,859.47, 2,566.10 and 1,020.25

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Solution

The fourth proportional to 1,859.47, 2,566.10 and 1,020.25 is: 1,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.47 : 2,566.10 = 1,020.25 : x
  2. Step 2: Convert to fraction form
    1,859.47/2,566.10 = 1,020.25/x
  3. Step 3: Cross multiply
    1,859.47x = 2,566.10 × 1,020.25
  4. Step 4: Simplify right side
    1,859.47x = 2,618,063.53
  5. Step 5: Solve for x
    x = 2,618,063.53/1,859.47
  6. Step 6: Final answer
    x = 1,407.96

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1.5x scale

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.