Home / 1,532.59-2,298.85-378.34

Finding the Fourth Proportional to 1,532.59, 2,298.85 and 378.34

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Solution

The fourth proportional to 1,532.59, 2,298.85 and 378.34 is: 567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.59 : 2,298.85 = 378.34 : x
  2. Step 2: Convert to fraction form
    1,532.59/2,298.85 = 378.34/x
  3. Step 3: Cross multiply
    1,532.59x = 2,298.85 × 378.34
  4. Step 4: Simplify right side
    1,532.59x = 869,746.91
  5. Step 5: Solve for x
    x = 869,746.91/1,532.59
  6. Step 6: Final answer
    x = 567.50

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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.