Home / 1,528.70-2,281.32-1,364.67

Finding the Fourth Proportional to 1,528.70, 2,281.32 and 1,364.67

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Solution

The fourth proportional to 1,528.70, 2,281.32 and 1,364.67 is: 2,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.70 : 2,281.32 = 1,364.67 : x
  2. Step 2: Convert to fraction form
    1,528.70/2,281.32 = 1,364.67/x
  3. Step 3: Cross multiply
    1,528.70x = 2,281.32 × 1,364.67
  4. Step 4: Simplify right side
    1,528.70x = 3,113,248.96
  5. Step 5: Solve for x
    x = 3,113,248.96/1,528.70
  6. Step 6: Final answer
    x = 2,036.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.