Home / 1,465.16-2,206.43-1,275.08

Finding the Fourth Proportional to 1,465.16, 2,206.43 and 1,275.08

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Solution

The fourth proportional to 1,465.16, 2,206.43 and 1,275.08 is: 1,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.16 : 2,206.43 = 1,275.08 : x
  2. Step 2: Convert to fraction form
    1,465.16/2,206.43 = 1,275.08/x
  3. Step 3: Cross multiply
    1,465.16x = 2,206.43 × 1,275.08
  4. Step 4: Simplify right side
    1,465.16x = 2,813,374.76
  5. Step 5: Solve for x
    x = 2,813,374.76/1,465.16
  6. Step 6: Final answer
    x = 1,920.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.