Home / 1,647.47-2,274.04-1,088.44

Finding the Fourth Proportional to 1,647.47, 2,274.04 and 1,088.44

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Solution

The fourth proportional to 1,647.47, 2,274.04 and 1,088.44 is: 1,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.47 : 2,274.04 = 1,088.44 : x
  2. Step 2: Convert to fraction form
    1,647.47/2,274.04 = 1,088.44/x
  3. Step 3: Cross multiply
    1,647.47x = 2,274.04 × 1,088.44
  4. Step 4: Simplify right side
    1,647.47x = 2,475,151.77
  5. Step 5: Solve for x
    x = 2,475,151.77/1,647.47
  6. Step 6: Final answer
    x = 1,502.39

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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.