Home / 1,746.39-2,409.51-1,038.21

Finding the Fourth Proportional to 1,746.39, 2,409.51 and 1,038.21

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Solution

The fourth proportional to 1,746.39, 2,409.51 and 1,038.21 is: 1,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.39 : 2,409.51 = 1,038.21 : x
  2. Step 2: Convert to fraction form
    1,746.39/2,409.51 = 1,038.21/x
  3. Step 3: Cross multiply
    1,746.39x = 2,409.51 × 1,038.21
  4. Step 4: Simplify right side
    1,746.39x = 2,501,577.38
  5. Step 5: Solve for x
    x = 2,501,577.38/1,746.39
  6. Step 6: Final answer
    x = 1,432.43

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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.