Home / 1,730.62-2,386.74-1,531.63

Finding the Fourth Proportional to 1,730.62, 2,386.74 and 1,531.63

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Solution

The fourth proportional to 1,730.62, 2,386.74 and 1,531.63 is: 2,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.62 : 2,386.74 = 1,531.63 : x
  2. Step 2: Convert to fraction form
    1,730.62/2,386.74 = 1,531.63/x
  3. Step 3: Cross multiply
    1,730.62x = 2,386.74 × 1,531.63
  4. Step 4: Simplify right side
    1,730.62x = 3,655,602.59
  5. Step 5: Solve for x
    x = 3,655,602.59/1,730.62
  6. Step 6: Final answer
    x = 2,112.31

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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.