Home / 2,258.32-3,117.08-1,374.40

Finding the Fourth Proportional to 2,258.32, 3,117.08 and 1,374.40

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Solution

The fourth proportional to 2,258.32, 3,117.08 and 1,374.40 is: 1,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.32 : 3,117.08 = 1,374.40 : x
  2. Step 2: Convert to fraction form
    2,258.32/3,117.08 = 1,374.40/x
  3. Step 3: Cross multiply
    2,258.32x = 3,117.08 × 1,374.40
  4. Step 4: Simplify right side
    2,258.32x = 4,284,114.75
  5. Step 5: Solve for x
    x = 4,284,114.75/2,258.32
  6. Step 6: Final answer
    x = 1,897.04

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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.