Home / 1,742.31-2,403.93-1,070.47

Finding the Fourth Proportional to 1,742.31, 2,403.93 and 1,070.47

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Solution

The fourth proportional to 1,742.31, 2,403.93 and 1,070.47 is: 1,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.31 : 2,403.93 = 1,070.47 : x
  2. Step 2: Convert to fraction form
    1,742.31/2,403.93 = 1,070.47/x
  3. Step 3: Cross multiply
    1,742.31x = 2,403.93 × 1,070.47
  4. Step 4: Simplify right side
    1,742.31x = 2,573,322.42
  5. Step 5: Solve for x
    x = 2,573,322.42/1,742.31
  6. Step 6: Final answer
    x = 1,476.96

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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.