Home / 1,534.80-2,117.97-1,010.46

Finding the Fourth Proportional to 1,534.80, 2,117.97 and 1,010.46

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Solution

The fourth proportional to 1,534.80, 2,117.97 and 1,010.46 is: 1,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.80 : 2,117.97 = 1,010.46 : x
  2. Step 2: Convert to fraction form
    1,534.80/2,117.97 = 1,010.46/x
  3. Step 3: Cross multiply
    1,534.80x = 2,117.97 × 1,010.46
  4. Step 4: Simplify right side
    1,534.80x = 2,140,123.97
  5. Step 5: Solve for x
    x = 2,140,123.97/1,534.80
  6. Step 6: Final answer
    x = 1,394.40

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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.