Home / 2,875.36-4,312.95-795.49

Finding the Fourth Proportional to 2,875.36, 4,312.95 and 795.49

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Solution

The fourth proportional to 2,875.36, 4,312.95 and 795.49 is: 1,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.36 : 4,312.95 = 795.49 : x
  2. Step 2: Convert to fraction form
    2,875.36/4,312.95 = 795.49/x
  3. Step 3: Cross multiply
    2,875.36x = 4,312.95 × 795.49
  4. Step 4: Simplify right side
    2,875.36x = 3,430,908.60
  5. Step 5: Solve for x
    x = 3,430,908.60/2,875.36
  6. Step 6: Final answer
    x = 1,193.21

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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.