Home / 1,770.93-2,444.13-1,275.21

Finding the Fourth Proportional to 1,770.93, 2,444.13 and 1,275.21

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Solution

The fourth proportional to 1,770.93, 2,444.13 and 1,275.21 is: 1,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.93 : 2,444.13 = 1,275.21 : x
  2. Step 2: Convert to fraction form
    1,770.93/2,444.13 = 1,275.21/x
  3. Step 3: Cross multiply
    1,770.93x = 2,444.13 × 1,275.21
  4. Step 4: Simplify right side
    1,770.93x = 3,116,779.02
  5. Step 5: Solve for x
    x = 3,116,779.02/1,770.93
  6. Step 6: Final answer
    x = 1,759.97

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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.