Home / 1,014.09-1,521.14-283.67

Finding the Fourth Proportional to 1,014.09, 1,521.14 and 283.67

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Solution

The fourth proportional to 1,014.09, 1,521.14 and 283.67 is: 425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.09 : 1,521.14 = 283.67 : x
  2. Step 2: Convert to fraction form
    1,014.09/1,521.14 = 283.67/x
  3. Step 3: Cross multiply
    1,014.09x = 1,521.14 × 283.67
  4. Step 4: Simplify right side
    1,014.09x = 431,492.76
  5. Step 5: Solve for x
    x = 431,492.76/1,014.09
  6. Step 6: Final answer
    x = 425.50

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Half scale
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Double scale
Find fourth proportional to 1,015.09, 1,522.64 and 284.67
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.