Home / 1,534.23-2,116.56-1,036.69

Finding the Fourth Proportional to 1,534.23, 2,116.56 and 1,036.69

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Solution

The fourth proportional to 1,534.23, 2,116.56 and 1,036.69 is: 1,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.23 : 2,116.56 = 1,036.69 : x
  2. Step 2: Convert to fraction form
    1,534.23/2,116.56 = 1,036.69/x
  3. Step 3: Cross multiply
    1,534.23x = 2,116.56 × 1,036.69
  4. Step 4: Simplify right side
    1,534.23x = 2,194,215.18
  5. Step 5: Solve for x
    x = 2,194,215.18/1,534.23
  6. Step 6: Final answer
    x = 1,430.17

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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.