Home / 1,312.04-1,810.30-752.52

Finding the Fourth Proportional to 1,312.04, 1,810.30 and 752.52

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Solution

The fourth proportional to 1,312.04, 1,810.30 and 752.52 is: 1,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.04 : 1,810.30 = 752.52 : x
  2. Step 2: Convert to fraction form
    1,312.04/1,810.30 = 752.52/x
  3. Step 3: Cross multiply
    1,312.04x = 1,810.30 × 752.52
  4. Step 4: Simplify right side
    1,312.04x = 1,362,286.96
  5. Step 5: Solve for x
    x = 1,362,286.96/1,312.04
  6. Step 6: Final answer
    x = 1,038.30

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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.