Home / 1,677.18-2,312.36-1,152.30

Finding the Fourth Proportional to 1,677.18, 2,312.36 and 1,152.30

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Solution

The fourth proportional to 1,677.18, 2,312.36 and 1,152.30 is: 1,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.18 : 2,312.36 = 1,152.30 : x
  2. Step 2: Convert to fraction form
    1,677.18/2,312.36 = 1,152.30/x
  3. Step 3: Cross multiply
    1,677.18x = 2,312.36 × 1,152.30
  4. Step 4: Simplify right side
    1,677.18x = 2,664,532.43
  5. Step 5: Solve for x
    x = 2,664,532.43/1,677.18
  6. Step 6: Final answer
    x = 1,588.70

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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.