Home / 1,534.43-2,117.58-904.98

Finding the Fourth Proportional to 1,534.43, 2,117.58 and 904.98

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Solution

The fourth proportional to 1,534.43, 2,117.58 and 904.98 is: 1,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.43 : 2,117.58 = 904.98 : x
  2. Step 2: Convert to fraction form
    1,534.43/2,117.58 = 904.98/x
  3. Step 3: Cross multiply
    1,534.43x = 2,117.58 × 904.98
  4. Step 4: Simplify right side
    1,534.43x = 1,916,367.55
  5. Step 5: Solve for x
    x = 1,916,367.55/1,534.43
  6. Step 6: Final answer
    x = 1,248.91

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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.