Home / 2,411.40-3,328.36-1,574.18

Finding the Fourth Proportional to 2,411.40, 3,328.36 and 1,574.18

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Solution

The fourth proportional to 2,411.40, 3,328.36 and 1,574.18 is: 2,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.40 : 3,328.36 = 1,574.18 : x
  2. Step 2: Convert to fraction form
    2,411.40/3,328.36 = 1,574.18/x
  3. Step 3: Cross multiply
    2,411.40x = 3,328.36 × 1,574.18
  4. Step 4: Simplify right side
    2,411.40x = 5,239,437.74
  5. Step 5: Solve for x
    x = 5,239,437.74/2,411.40
  6. Step 6: Final answer
    x = 2,172.78

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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.