Home / 1,575.53-2,173.57-1,070.39

Finding the Fourth Proportional to 1,575.53, 2,173.57 and 1,070.39

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Solution

The fourth proportional to 1,575.53, 2,173.57 and 1,070.39 is: 1,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.53 : 2,173.57 = 1,070.39 : x
  2. Step 2: Convert to fraction form
    1,575.53/2,173.57 = 1,070.39/x
  3. Step 3: Cross multiply
    1,575.53x = 2,173.57 × 1,070.39
  4. Step 4: Simplify right side
    1,575.53x = 2,326,570.35
  5. Step 5: Solve for x
    x = 2,326,570.35/1,575.53
  6. Step 6: Final answer
    x = 1,476.69

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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.