Home / 2,360.16-3,256.99-1,312.20

Finding the Fourth Proportional to 2,360.16, 3,256.99 and 1,312.20

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Solution

The fourth proportional to 2,360.16, 3,256.99 and 1,312.20 is: 1,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.16 : 3,256.99 = 1,312.20 : x
  2. Step 2: Convert to fraction form
    2,360.16/3,256.99 = 1,312.20/x
  3. Step 3: Cross multiply
    2,360.16x = 3,256.99 × 1,312.20
  4. Step 4: Simplify right side
    2,360.16x = 4,273,822.28
  5. Step 5: Solve for x
    x = 4,273,822.28/2,360.16
  6. Step 6: Final answer
    x = 1,810.82

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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.