Home / 1,534.32-2,117.40-944.64

Finding the Fourth Proportional to 1,534.32, 2,117.40 and 944.64

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Solution

The fourth proportional to 1,534.32, 2,117.40 and 944.64 is: 1,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.32 : 2,117.40 = 944.64 : x
  2. Step 2: Convert to fraction form
    1,534.32/2,117.40 = 944.64/x
  3. Step 3: Cross multiply
    1,534.32x = 2,117.40 × 944.64
  4. Step 4: Simplify right side
    1,534.32x = 2,000,180.74
  5. Step 5: Solve for x
    x = 2,000,180.74/1,534.32
  6. Step 6: Final answer
    x = 1,303.63

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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.