Home / 1,534.64-2,114.40-1,068.08

Finding the Fourth Proportional to 1,534.64, 2,114.40 and 1,068.08

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Solution

The fourth proportional to 1,534.64, 2,114.40 and 1,068.08 is: 1,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.64 : 2,114.40 = 1,068.08 : x
  2. Step 2: Convert to fraction form
    1,534.64/2,114.40 = 1,068.08/x
  3. Step 3: Cross multiply
    1,534.64x = 2,114.40 × 1,068.08
  4. Step 4: Simplify right side
    1,534.64x = 2,258,348.35
  5. Step 5: Solve for x
    x = 2,258,348.35/1,534.64
  6. Step 6: Final answer
    x = 1,471.58

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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.