Home / 1,528.15-2,290.15-1,094.35

Finding the Fourth Proportional to 1,528.15, 2,290.15 and 1,094.35

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Solution

The fourth proportional to 1,528.15, 2,290.15 and 1,094.35 is: 1,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.15 : 2,290.15 = 1,094.35 : x
  2. Step 2: Convert to fraction form
    1,528.15/2,290.15 = 1,094.35/x
  3. Step 3: Cross multiply
    1,528.15x = 2,290.15 × 1,094.35
  4. Step 4: Simplify right side
    1,528.15x = 2,506,211.47
  5. Step 5: Solve for x
    x = 2,506,211.47/1,528.15
  6. Step 6: Final answer
    x = 1,640.04

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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.