Home / 1,743.32-2,614.51-647.08

Finding the Fourth Proportional to 1,743.32, 2,614.51 and 647.08

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Solution

The fourth proportional to 1,743.32, 2,614.51 and 647.08 is: 970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.32 : 2,614.51 = 647.08 : x
  2. Step 2: Convert to fraction form
    1,743.32/2,614.51 = 647.08/x
  3. Step 3: Cross multiply
    1,743.32x = 2,614.51 × 647.08
  4. Step 4: Simplify right side
    1,743.32x = 1,691,797.13
  5. Step 5: Solve for x
    x = 1,691,797.13/1,743.32
  6. Step 6: Final answer
    x = 970.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.