Home / 3,411.60-4,705.28-2,292.16

Finding the Fourth Proportional to 3,411.60, 4,705.28 and 2,292.16

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Solution

The fourth proportional to 3,411.60, 4,705.28 and 2,292.16 is: 3,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.60 : 4,705.28 = 2,292.16 : x
  2. Step 2: Convert to fraction form
    3,411.60/4,705.28 = 2,292.16/x
  3. Step 3: Cross multiply
    3,411.60x = 4,705.28 × 2,292.16
  4. Step 4: Simplify right side
    3,411.60x = 10,785,254.60
  5. Step 5: Solve for x
    x = 10,785,254.60/3,411.60
  6. Step 6: Final answer
    x = 3,161.35

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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.